Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 606", based on the 5-celled von Neumann neighborhood.
A273205
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 606", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =21a(3) =81a(4) =297a(5) =1037a(6) =4417a(7) =17413a(8) =67973a(9) =267397a(10) =1059461a(11) =4216453a(12) =16821893a(13) =67198597a(14) =268615301a(15) =1074101893
External references
- oeis: A273205