Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.
A273611
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =144a(4) =652a(5) =2732a(6) =11196a(7) =45316a(8) =182332a(9) =731492a(10) =2930396a(11) =11730756a(12) =46942332a(13) =187810852a(14) =751335196a(15) =3005550596
External references
- oeis: A273611