-2655
domain: Z
Appears in sequences
- Expansion of e.g.f. arcsin(arctan(x) + log(x+1)).at n=6A012962
- E.g.f. arcsin(tanh(x)+log(x+1)) = 2*x - 1/2!*x^2 + 8/3!*x^3 - 30/4!*x^4 +- ...at n=6A013119
- a(n+1) = a(n) - n (if n is even), a(n+1) = a(n) * n (if n is odd).at n=9A047907
- Signed array used for numerators of generating functions of the column sequences of array A090452.at n=52A091029
- Sequence is {a(5,n)}, where a(m,n) is defined at sequence A110665.at n=15A110670
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 201", based on the 5-celled von Neumann neighborhood.at n=35A270723
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 397", based on the 5-celled von Neumann neighborhood.at n=29A271692
- a(n+1) = (a(n) - 2*(n-1)) * (2*n-1), where a(1)=1.at n=5A339516