Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.
A270627
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =204a(4) =881a(5) =3737a(6) =15357a(7) =62273a(8) =249392a(9) =1000925a(10) =3990844a(11) =15969184a(12) =63854080a(13) =255429817a(14) =1021594904a(15) =4086312392
External references
- oeis: A270627