Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 20", based on the 5-celled von Neumann neighborhood.
A269713
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 20", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =13a(3) =25a(4) =45a(5) =69a(6) =113a(7) =141a(8) =193a(9) =249a(10) =353a(11) =409a(12) =513a(13) =625a(14) =837a(15) =897a(16) =1013a(17) =1133a(18) =1365a(19) =1485a(20) =1717a(21) =1957a(22) =2421a(23) =2541a(24) =2773a(25) =3013a(26) =3477a(27) =3717a(28) =4181a(29) =4661
External references
- oeis: A269713