Life Period-30 Pseudo-Oscillators

Size in bits: 18 | 20 | 21 | 22 | 23 | 24 | 25
Cost in gliders: 6



The 1 eighteen-bit period 30 pseudo-oscillator

18b PP30

Beacon on penta- decathlon [6]

This has a pseudo-period of 30, a composite of 2 and 15.


The 1 twenty-bit period 30 pseudo-oscillator

20b PP30

Bipole on penta- decathlon [9]

This has a pseudo-period of 30, a composite of 2 and 15.


The 1 21-bit period 30 pseudo-oscillator

21b PP30

Tripole on penta- decathlon [11]

This has a pseudo-period of 30, a composite of 2 and 15.


The 5 22-bit period 30 pseudo-oscillators

22b PP30

Beacon on block on penta- decathlon [8] Block on trans beacon on penta- decathlon [8] Block on penta- decathlon on beacon [8] Block on cis beacon on penta- decathlon [8] Quadpole on penta- decathlon [9]

All of these have a pseudo-period of 30, a composite of 2 and 15.


The 7 23-bit period 30 pseudo-oscillator

23b PP30

Up boat on trans beacon on penta- decathlon [7] Down boat on trans beacon on penta- decathlon [9] Down boat on penta- decathlon on beacon [8] Up boat on penta- decathlon on beacon [8]
Up boat on cis beacon on penta- decathlon [7] Down boat on cis beacon on penta- decathlon [10] Pentapole on penta- decathlon [13]  

All of these have a pseudo-period of 30, a composite of 2 and 15.


The 61 24-bit period 30 pseudo-oscillators

Unfortunately, due to time limitations, these cannot yet be shown. These consist of:

All of these are easy to synthesize using standard techniques.

All of these except the 2 with queen bees have a pseudo-period of 30, a composite of 2 and 15, shown below.

20-bit PP30

Queen bee between trans block and block on block [6] Queen bee between cis block and block on block [6]


The 82 25-bit period 30 pseudo-oscillators

Unfortunately, due to time limitations, these cannot yet be shown. These consist of:

All of these are easy to synthesize using standard techniques.

All of these except the ones with queen bees have a pseudo-period of 30, a composite of 2 and 15.



3 period 30 pseudo-oscillators buildable from 6 gliders

6-glider P30 pseudo-oscillators

Beacon on penta- decathlon [6] Queen bee between trans block and block on block [6] Queen bee between cis block and block on block [6]

The beacon on pentadecathlon has a pseudo-period of 30, a composite of 2 and 15.



Related: period-30 oscillators.

Other pseudo-oscillators by period: 2, 3, 4, 5, 6, 8, 10, 12, 15, 30, 60, other.

Other types: still-lifes, pseudo-still-lifes, oscillators, pseudo-oscillators, oscillators by period, pseudo-oscillators by period, guns, multi-colored Life, basic spaceships and pseudo-spaceships, exotic spaceships, spaceships flotillae, puffers, constellations, methuselahs, not quite stable objects.

See also: Life objects sorted by: counts, frequency of occurrence, cost in gliders, name, size in bits, or type.

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This page was last updated on 2015-02-19.