# Luka Okanishi

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Luka Okanishi | |

Born | Unknown |
---|---|

Residence | Ishikawa Prefecture, Japan |

Nationality | Unknown |

Institutions | Unknown |

Alma mater | Unknown |

**Luka Okanishi** is a Life enthusiast who posts on the forums as **AbhpzTa** and has constructed and discovered many notable patterns. His contributions include the following:

- 2016: Developed a classification scheme for two-dimensional replicators
- 2016: Discovered the first true period-61 glider gun
- 2017: Constructed the first 3c/7 puffer using several spaghetti monsters
- 2017: Discovered a surprisingly small 3-glider synthesis for a clean switch engine
- 2019: Constructed David Hilbert based on a partial result by praosylen, the first period-23 oscillator, which was voted Pattern of the Year for 2019
- 2022: Constructed the p129 R-pentomino hassler based on a partial result by Luke Kiernan, the smallest known period-129 oscillator
- 2023: Constructed a (34,7)c/156 caterpillar-type engineered spaceship