Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 873", based on the 5-celled von Neumann neighborhood.
A273708
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 873", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =33a(3) =193a(4) =817a(5) =3553a(6) =14385a(7) =58393a(8) =236281a(9) =947729a(10) =3798161a(11) =15196761a(12) =60836513a(13) =243349417a(14) =973538641a(15) =3894415281
External references
- oeis: A273708