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A335796
Number of ON cells at n-th generation in the "Ulam-Warburton and Friedkin Replicator" hybrid two-dimensional cellular automaton.
0
0, 1, 9, 17, 33, 41, 97, 129, 193, 209, 265, 313, 433, 481, 609, 705, 849, 889, 977, 1073, 1241, 1369, 1641, 1769, 2025, 2089, 2225, 2337, 2601, 2793, 3113, 3337, 3705, 3785, 3921, 4081, 4361, 4601, 5033, 5273, 5641, 5849, 6193, 6449, 6937, 7161, 7641, 7929, 8489, 8625, 8857, 9145
OFFSET
0,3
COMMENTS
The 2D CA uses the Moore neighborhood (all eight orthogonally and diagonally adjacent cells are in the neighborhood).
Generation follows the following algorithm: If a cell has an even number of ON neighbors and it is currently OFF, stay OFF; otherwise turn ON.
CROSSREFS
KEYWORD
nonn
AUTHOR
Cody B Duncan, Jun 24 2020
STATUS
approved