Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood.
A272512
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =18a(3) =50a(4) =83a(5) =183a(6) =248a(7) =408a(8) =505a(9) =805a(10) =950a(11) =1326a(12) =1503a(13) =2083a(14) =2340a(15) =3052a(16) =3397a(17) =4385a(18) =4818a(19) =5930a(20) =6395a(21) =7855a(22) =8456a(23) =10144a(24) =10889a(25) =12989a(26) =13886a(27) =16198a(28) =17095a(29) =19867
External references
- oeis: A272512