Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 557", based on the 5-celled von Neumann neighborhood.
A272926
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 557", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =9a(2) =29a(3) =70a(4) =130a(5) =227a(6) =359a(7) =540a(8) =744a(9) =1009a(10) =1365a(11) =1794a(12) =2254a(13) =2863a(14) =3524a(15) =4280a(16) =5049a(17) =5902a(18) =7014a(19) =8227a(20) =9472a(21) =11045a(22) =12722a(23) =14539a(24) =16416a(25) =18489a(26) =20798a(27) =23271a(28) =25832a(29) =28737
External references
- oeis: A272926