176138

Appears in sequences

• Numerator of 2 * H(n,2,1), a generalized harmonic number. See A075135. Also 2 * A350669.at n=6A074599
• a(n) = (1/4)*A357287(n).at n=27A357288
• Square array read by upward antidiagonals: T(n, k) = numerator( 2*k!*(-2)^k*Sum_{m=1..n}( 1/(2*m-1)^(k+1) ) ).at n=28A370692
• Square array read by upward antidiagonals: T(n, k) = numerator( 2*k!*(-2)^k*Sum_{m=1..n}( 1/(2*m-1)^(k+1) ) ).at n=36A370692