Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 718", based on the 5-celled von Neumann neighborhood.
A273426
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 718", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =17a(3) =69a(4) =285a(5) =1061a(6) =5385a(7) =26097a(8) =112665a(9) =469785a(10) =1911585a(11) =7716713a(12) =31014865a(13) =124339097a(14) =497903529a(15) =1992781329
External references
- oeis: A273426