Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood.
A273268
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =9a(2) =29a(3) =74a(4) =135a(5) =247a(6) =383a(7) =591a(8) =807a(9) =1143a(10) =1511a(11) =2007a(12) =2535a(13) =3207a(14) =3895a(15) =4791a(16) =5655a(17) =6803a(18) =7951a(19) =9391a(20) =10807a(21) =12579a(22) =14319a(23) =16431a(24) =18407a(25) =20903a(26) =23279a(27) =26095a(28) =28775a(29) =32047
External references
- oeis: A273268