-1646

Appears in sequences

• Numerator of Bernoulli(2n+2) - Bernoulli(2n).at n=5A029762
• Diagonal sums of inverse of Riordan array (1/(1-x^4),x/(1-x^4)).at n=11A156065
• Numerator of Hermite(n, 3/29).at n=2A160226
• Triangle T(n,k) which contains 4*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(3 + exp(2*t)) in row n, column k.at n=28A171683
• Expansion of Product_{k>=1} (1/(1 + 2*x^k))^k.at n=11A261566