403107840

Appears in sequences

• a(n) = Sum_{k=0..2n} (k+1)*T(n,k), where T is given by A026536.at n=19A027271
• Product of continued fraction terms of H(n) = Sum_{k=1..n} 1/k.at n=24A111047
• Expansion of g.f. (1 - sqrt(1 - 1728*x))/(864*x).at n=3A381195