Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 49", based on the 5-celled von Neumann neighborhood.
A270015
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 49", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =32a(3) =200a(4) =856a(5) =3456a(6) =14237a(7) =57017a(8) =227453a(9) =902076a(10) =3603545a(11) =14407088a(12) =57545481a(13) =230103709a(14) =920198901a(15) =3679932897
External references
- oeis: A270015