Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 627", based on the 5-celled von Neumann neighborhood.

A273275

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 627", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =37a(3) =173a(4) =785a(5) =3137a(6) =12897a(7) =51897a(8) =207037a(9) =831069a(10) =3326637a(11) =13308985a(12) =53275677a(13) =213108805a(14) =852561341a(15) =3410229225

External references