-815
domain: Z
Appears in sequences
- Expansion of (1-x)^(-1)/(1-x^2+x^3).at n=29A077883
- Expansion of x*(1+2*x+3*x^2+4*x^3+4*x^4)/(1+x+x^2+x^3-x^5).at n=47A122520
- Coefficient of X^3 in the characteristic polynomial of the n-th power of the matrix M = {{1,1,1,1,1}, {1,0,0,0,0}, {0,1,0,0,0}, {0,0,1,0,0}, {0,0,0,1,0}}.at n=10A123127
- Expansion of f(-x^2)^2 * f(x, x^2) / f(-x^3)^3 in powers of x where f(,) is a Ramanujan theta function.at n=41A132179
- Expansion of (1-2x-5x^2-7x^3+x^6)/((1-x)(1-x^3)^2).at n=34A141352
- Expansion of 3 * q^(1/3) * phi(q) * psi(q^6) / c(q) in powers of x where phi(), psi() are Ramanujan theta functions and c() is a cubic AGM theta function.at n=20A233037
- Riordan array (1/(1-x-x^2), x/(1+2*x)).at n=47A237498
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 161", based on the 5-celled von Neumann neighborhood.at n=21A270453
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood.at n=17A271464
- 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=33A271888
- Numbers k in pairs (j,k), with j <> k +- 1, such that the sum of their cubes is equal to a centered cube number.at n=29A352136
- G.f. A(x) satisfies: A(x)^6 = (1-x) * (A(x) + x)^5.at n=4A352415