Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood.
A270318
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =209a(4) =892a(5) =3749a(6) =15160a(7) =61205a(8) =245509a(9) =985328a(10) =3942373a(11) =15778036a(12) =63142628a(13) =252596776a(14) =1010495385a(15) =4042114757
External references
- oeis: A270318