-632
domain: Z
Appears in sequences
- Expansion of e.g.f. arcsinh(sin(x)) (odd powers only).at n=3A012495
- McKay-Thompson series of class 20D for Monster.at n=27A058553
- Triangle read by rows: coefficients of a Bessel polynomial recursion: P(x, n) = 2*(n-1)*P(x, n - 1)/x - n*P(x, n - 2) with substitution x -> 1/y.at n=18A136668
- Expansion of (1/q) * (f(q) / f(q^9))^3 in powers of q where f() is a Ramanujan theta function.at n=63A227498
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 94", based on the 5-celled von Neumann neighborhood.at n=40A270136
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 179", based on the 5-celled von Neumann neighborhood.at n=15A270625
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 406", based on the 5-celled von Neumann neighborhood.at n=31A271888
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 633", based on the 5-celled von Neumann neighborhood.at n=46A273303
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood.at n=31A273391
- G.f.: x / (Sum_{k>=1} k * x^k / (1 + x^k)).at n=11A335227
- a(n) = reverse(10*n - a(n-1)), with n>1, a(1) = 1.at n=30A339141
- Product_{n>=1} (1 + a(n)*x^n) = 1 + Sum_{n>=1} tau(n)*x^n, where tau = A000005.at n=25A353923
- Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384855.at n=25A384859