Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 206", based on the 5-celled von Neumann neighborhood.
A270734
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 206", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =64a(4) =260a(5) =1092a(6) =4288a(7) =17288a(8) =68896a(9) =277084a(10) =1114676a(11) =4460992a(12) =17809152a(13) =71255876a(14) =285243920a(15) =1140843800
External references
- oeis: A270734