Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 617", based on the 5-celled von Neumann neighborhood.

A273247

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 617", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =4a(2) =29a(3) =152a(4) =696a(5) =3008a(6) =12552a(7) =51432a(8) =207592a(9) =833000a(10) =3340028a(11) =13364284a(12) =53499372a(13) =214105632a(14) =856510780a(15) =3426475304

External references