Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 742", based on the 5-celled von Neumann neighborhood.
A273483
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 742", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =17a(3) =65a(4) =225a(5) =897a(6) =3537a(7) =13745a(8) =56465a(9) =217537a(10) =907449a(11) =3752361a(12) =15510281a(13) =65256161a(14) =273273209a(15) =1135354345
External references
- oeis: A273483