-970
domain: Z
Appears in sequences
- Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=40A060024
- Determinant transform of sequence {pi(m)} = A000720.at n=22A064178
- Expansion of (1-x)^(-1)/(1-2*x^2+x^3).at n=17A077880
- Coefficient of x^n in solution of x = y + y^2 + y^4 + y^8 + ...at n=7A092413
- Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = ( (1-x)^(n+1) * Sum_{k >= 0} (2*k+1)^(n-1)*x^k )^2, read by rows.at n=20A165890
- Expansion of the series reversion of Sum_{n>=1} x^(n^2).at n=16A259938
- Triangle T(n, m) appearing in the expansion of the scaled phase space coordinate qhat of the plane pendulum in terms of the Jacobi nome q and sin(v) multiplying even powers of 2*cos(v), with v = u/((2/Pi)*K(k)).at n=18A275790
- Coefficients in the expansion of ([s] + [2s]x + [3s]x^2 + ...)/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = e/2, s = r/(1-r).at n=24A279633
- a(n) = n - A332215(n).at n=50A364253
- a(n) = Sum_{k=1..n} (-1)^(k-1) * binomial(k+2,3) * floor(n/k).at n=19A366938
- Expansion of g.f. A(x) = Product_{n>=1} (1 + x^(n-1) + x^(2*n-1)) * (1 + x^n + x^(2*n-1)) * (1 - x^n - x^(2*n)).at n=35A370541