Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 721", based on the 5-celled von Neumann neighborhood.
A273447
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 721", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =26a(3) =67a(4) =147a(5) =267a(6) =435a(7) =659a(8) =947a(9) =1307a(10) =1747a(11) =2275a(12) =2899a(13) =3627a(14) =4467a(15) =5427a(16) =6515a(17) =7739a(18) =9107a(19) =10627a(20) =12307a(21) =14155a(22) =16179a(23) =18387a(24) =20787a(25) =23387a(26) =26195a(27) =29219a(28) =32467a(29) =35947
External references
- oeis: A273447