# Anura

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Anura | |||||||||||

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Pattern type | Spaceship | ||||||||||
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Number of cells | 313 | ||||||||||

Bounding box | 31×54 | ||||||||||

Direction | Orthogonal | ||||||||||

Period | 7 | ||||||||||

Mod | 7 | ||||||||||

Speed | 3c/7 | ||||||||||

Speed (unsimplified) | 3c/7 | ||||||||||

Heat | 313.4 | ||||||||||

Discovered by | Dylan Chen | ||||||||||

Year of discovery | 2020 | ||||||||||

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**Anura** (or **313P7H3V0**) is a sparky 3c/7 orthogonal spaceship found by Dylan Chen on December 28, 2020.^{[1]} It is the second elementary 3c/7 orthogonal spaceship, and the first not based on the spaghetti monster. It can be viewed as a stabilization of a failed puffer, and the front two-fifths can alternatively be supported by two spaghetti monster escorts.^{[2]} It was briefly the smallest 3c/7 spaceship until a smaller backend was discovered on December 31, producing a spaceship with minimum population 257.^{[3]} In January 2021, bubblegum found a block-laying tagalong for one leg,^{[4]} enabling double and quadruple block puffers. Aidan F. Pierce used this puffer to create a 18c/42 spaceship soon after.^{[5]}

## References

- ↑ Dylan Chen (December 28, 2020). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ Aidan F. Pierce (December 28, 2020). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ Dylan Chen (December 31, 2020). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ bubblegum (January 2, 2021). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums
- ↑ Aidan F. Pierce (January 2, 2021). Re: Spaceship Discussion Thread (discussion thread) at the ConwayLife.com forums

## External links

Categories:

- Patterns
- Patterns with 313 cells
- Patterns found by Dylan Chen
- Patterns found in 2020
- Outer-totalistically endemic patterns
- Spaceships
- Periodic objects with minimum population 313
- Spaceships with period 7
- Orthogonal spaceships
- Spaceships with speed 3c/7
- Spaceships with unsimplified speed 3c/7
- Spaceships with heat 313
- Spaceships with mod 7
- Patterns with bilateral orthogonal symmetry