Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood.
A271278
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =40a(3) =193a(4) =841a(5) =3681a(6) =14973a(7) =60789a(8) =243436a(9) =973641a(10) =3881340a(11) =15520816a(12) =62025368a(13) =248008489a(14) =991871680a(15) =3967177220
External references
- oeis: A271278