**Size in bits:**
12 |
15 |
17 |
18 |
21 |
23 |
24 |
25 |
Larger

**Cost in gliders:**
4 |
6 |
>1 glider/bit

**Frequency of occurrence**

Figure-8; Big beacon [4] |

Figure-8 is the smallest oscillator that produces a period 8 (delayed) domino spark.

Blocker [6] |

The blocker is the smallest oscillator that produces a period 8 diagonal bit spark.

Coe's P8; Tim Coe's P8 [8] | Smiley [28] |

Flammen- kamp's P8 [13] |

Down table on blocker [9] | Up table on blocker [11] |

Kok's Galaxy is produces a period 8 diagonal bit spark.

(See notes under Toad for details about toad-flipper and toad-sucker oscillators.)

Figure-8; Big beacon [4] |

Figure-8 is the smallest oscillator that produces a period 8 (delayed) domino spark.

Blocker [6] |

The blocker is the smallest oscillator that produces a period 8 diagonal bit spark.

Smiley [28] |

Figure-8; Big beacon [4] (3.3e7) | Blocker [6] (3.7e8) | Coe's P8; Tim Coe's P8 [8] (1.7e10) |

Figure-8 is the smallest oscillator that produces a period 8 (delayed) domino spark.

The blocker is the smallest oscillator that produces a period 8 diagonal bit spark.

**Related:**
period-8 pseudo-oscillators.

**Other
oscillators by period:**
2,
3,
4,
5,
6,
8,
10,
12,
14,
15,
24,
30,
36,
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.

Copyright © 1997, 1998, 1999, 2013, 2014 by Mark. D. Niemiec.
All rights reserved.

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