Number of ON cells at generation n of 2-D cellular automaton in which a cell is ON iff either 1 or 2 of its eight neighbors were ON at previous generation, starting with a single ON cell.
A246311
Number of ON cells at generation n of 2-D cellular automaton in which a cell is ON iff either 1 or 2 of its eight neighbors were ON at previous generation, starting with a single ON cell.
Terms
- a(0) =1a(1) =8a(2) =16a(3) =24a(4) =28a(5) =56a(6) =68a(7) =88a(8) =112a(9) =116a(10) =148a(11) =216a(12) =232a(13) =260a(14) =400a(15) =320a(16) =420a(17) =440a(18) =508a(19) =472a(20) =512a(21) =564a(22) =752a(23) =684a(24) =876a(25) =896a(26) =1064a(27) =1064a(28) =1224a(29) =1368
External references
- oeis: A246311