Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 497", based on the 5-celled von Neumann neighborhood.
A272557
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 497", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =36a(3) =156a(4) =740a(5) =3040a(6) =12852a(7) =52648a(8) =214820a(9) =865744a(10) =3487180a(11) =13994100a(12) =56047356a(13) =224295004a(14) =897465820a(15) =3590094664
External references
- oeis: A272557