Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 942", based on the 5-celled von Neumann neighborhood.

A273796

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 942", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =21a(3) =89a(4) =385a(5) =1649a(6) =6961a(7) =29009a(8) =119665a(9) =489809a(10) =1993201a(11) =8075729a(12) =32613745a(13) =131391569a(14) =528384241a(15) =2122007249

External references