Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 670", based on the 5-celled von Neumann neighborhood.
A273393
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 670", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =21a(3) =81a(4) =293a(5) =1237a(6) =5685a(7) =26093a(8) =108421a(9) =432245a(10) =1706365a(11) =6761333a(12) =26898301a(13) =107280245a(14) =428476285a(15) =1712596853
External references
- oeis: A273393