Pentadecathlon on thumb 1

Pentadecathlon on Thumb 1 is a period-45 oscillator composed of a pentadecathlon and thumb 1. Although it consists of two oscillators of smaller periods (15 and 9 respectively), it is considered non-trivial, because it contains a single cell that oscillates at the full period. In terms of its 48 cells, it is the smallest known non-trivial period 45 oscillator.

Pentadecathlon on Thumb 1
<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 14, y = 17, rule = B3/S23 6bo4bo$4b2ob4ob2o$6bo4bo6$3b2o$3bobob2o2b2o$2obo3bobo2bo$2obo3bob3o$3b o3bo$3bobob3o$4bobo3bo$6bo2b2o$6b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ GPS 9 ZOOM 12 LOOP 45 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
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Pattern type Oscillator
Number of cells 48
Bounding box 17×20
Period 45
Mod 45
Heat 27.6
Volatility 0.78
Strict volatility 0.01
Discovered by Unknown
Year of discovery Unknown
Generation 5 reveals the single cell that oscillates at the full period (in green).
gollark: Oh. Right.
gollark: You'd expect them to order it directly from the supplier or something.
gollark: Why would people buy stupidly expensive stuff like that on *ebay*?
gollark: What can even *use* that much?
gollark: 100 gigabit?!

See also
  • 48P45.1 at Heinrich Koenig's Game of Life Object Catalogs
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