Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood.
A269910
Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =1a(3) =45a(4) =1a(5) =117a(6) =1a(7) =221a(8) =1a(9) =357a(10) =1a(11) =525a(12) =1a(13) =725a(14) =1a(15) =957a(16) =1a(17) =1221a(18) =1a(19) =1517a(20) =1a(21) =1845a(22) =1a(23) =2205a(24) =1a(25) =2597a(26) =1a(27) =3021a(28) =1a(29) =3477
External references
- oeis: A269910