Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood.

A273852

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =17a(3) =69a(4) =373a(5) =1553a(6) =6817a(7) =28989a(8) =122993a(9) =501825a(10) =2030857a(11) =8159201a(12) =32719377a(13) =131022473a(14) =524458461a(15) =2098531085

External references