Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 54", based on the 5-celled von Neumann neighborhood.
A270023
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 54", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =76a(4) =276a(5) =932a(6) =3944a(7) =15956a(8) =65692a(9) =259452a(10) =1035464a(11) =4159724a(12) =16638488a(13) =66605372a(14) =266499652a(15) =1065764840
External references
- oeis: A270023