Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 806", based on the 5-celled von Neumann neighborhood.
A273607
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 806", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =17a(3) =61a(4) =213a(5) =829a(6) =3581a(7) =13821a(8) =54509a(9) =218121a(10) =882805a(11) =3519057a(12) =14066621a(13) =56236325a(14) =224958517a(15) =899680829
External references
- oeis: A273607