Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 221", based on the 5-celled von Neumann neighborhood.
A270936
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 221", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =9a(2) =13a(3) =57a(4) =66a(5) =182a(6) =191a(7) =411a(8) =420a(9) =776a(10) =785a(11) =1309a(12) =1318a(13) =2042a(14) =2051a(15) =3007a(16) =3016a(17) =4236a(18) =4245a(19) =5761a(20) =5770a(21) =7614a(22) =7623a(23) =9827a(24) =9836a(25) =12432a(26) =12441a(27) =15461a(28) =15470a(29) =18946
External references
- oeis: A270936