Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 157", based on the 5-celled von Neumann neighborhood.
A270330
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 157", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =209a(4) =900a(5) =3780a(6) =15272a(7) =61720a(8) =247052a(9) =990704a(10) =3964037a(11) =15861216a(12) =63442960a(13) =253791069a(14) =1015179869a(15) =4060805808
External references
- oeis: A270330