Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood.
A270279
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =33a(3) =161a(4) =713a(5) =2977a(6) =12153a(7) =49025a(8) =196681a(9) =787313a(10) =3149081a(11) =12593057a(12) =50359273a(13) =201397457a(14) =805481145a(15) =3221644801
External references
- oeis: A270279