Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 542", based on the 5-celled von Neumann neighborhood.

A272810

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 542", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =21a(3) =53a(4) =173a(5) =865a(6) =4029a(7) =16637a(8) =65381a(9) =262577a(10) =1043025a(11) =4111721a(12) =16309705a(13) =64954017a(14) =259236073a(15) =1035773481

External references