Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 470", based on the 5-celled von Neumann neighborhood.
A272420
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 470", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =24a(3) =89a(4) =297a(5) =1145a(6) =4461a(7) =17661a(8) =70037a(9) =278116a(10) =1105688a(11) =4386052a(12) =17391896a(13) =68794424a(14) =272505548a(15) =1086983752
External references
- oeis: A272420