Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood.

A273389

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =21a(3) =81a(4) =297a(5) =1201a(6) =5037a(7) =20365a(8) =81741a(9) =327373a(10) =1310157a(11) =5241805a(12) =20969421a(13) =83881933a(14) =335536077a(15) =1342160845

External references