-1325

Appears in sequences

• Reversion of g.f. for Euler numbers A000111(n-1).at n=9A007316
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 10.at n=40A060029
• a(n) = (n+1)*(2-n)/2.at n=52A080956
• Row sums of number triangle related to the Jacobsthal numbers.at n=26A110325
• Values of n such that L(15) and N(15) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=20A227518
• Difference between sums of quadratic residues and non-residues modulo n (residues are not necessarily coprime to n).at n=74A255644
• Expansion of Product_{k>=1} 1/(1 + x^k)^(k*(5*k-3)/2).at n=12A295122