-399

Appears in sequences

• q-factorial numbers for q=-8.at n=3A015022
• a(n) = 5^n - n^5.at n=4A024054
• Table T(m,k)=m^k-k^m (with 0^0 taken to be 1) as square array read by antidiagonals.at n=49A055651
• Expansion of (1-x)^(-1)/(1-2*x+2*x^3).at n=11A077853
• Determinant of the n X n tridiagonal matrix M with the elements on the diagonals equal to 1, except M(n,n-1)=M(n-1,n)=n.at n=18A080322
• Expansion of (1-x^2)/(1-x-x^2+x^3+x^4).at n=23A101496
• G.f.: (x - 1)/(x^5 - x^3 - x^2 - x - 1).at n=43A115412
• Row sums of triangle A117335.at n=6A117338
• a(n) = (-1)^n*n*(n-2).at n=20A131386
• a(2*n) = 1-n^2, a(2*n+1) = n*(n+1).at n=38A131723
• Expansion of x^3*(x-1)*(x+1) / (x^5-2*x^4+x^2-1).at n=28A135990
• A129065 with v=n instead of v=1: recursive polynomial coefficient triangle.at n=22A136453
• Expansion of (1-5*x-x^2+x^3)/((1+x)*(1-x)^3).at n=19A141354
• Numerators in the asymptotic expansion of Gamma(x+1/2)/Gamma(x).at n=5A143503
• The n-th term of the n-th Dirichlet self-convolution equals n^2.at n=20A163591
• Irregular triangle with the terms in the Staudt-Clausen theorem for the nonzero Bernoulli numbers multiplied by the product of the associated primes.at n=37A165908
• Triangle T(n, k, q) = (1-q^n)*( binomial(n, k) - 1 ) + 1, with q = 3, read by rows.at n=12A174719
• Triangle T(n, k, q) = (1-q^n)*(1/k)*binomial(n-1, k-1)*binomial(n, k-1) - (1-q^n) + 1, for q = 3, read by rows.at n=8A174732
• Triangle T(n, k, q) = (1-q^n)*(1/k)*binomial(n-1, k-1)*binomial(n, k-1) - (1-q^n) + 1, for q = 3, read by rows.at n=7A174732
• G.f.: 1/(1 + x + 2*x^2 + 2*x^3 + x^4).at n=23A199744