7407036

Appears in sequences

• a(n) = (n + 1)*binomial(n + 1, 10).at n=11A027770
• a(n) = (n+1)*binomial(n+1,11).at n=10A027771
• Numbers k such that sigma_2(k)/k and sigma_4(k)/k are integers.at n=6A076230
• Number of turns in all left factors of Dyck paths of length n.at n=22A191527
• Number of profiles in domino tiling of a 2*n checkboard.at n=21A218073
• a(n) = (2n+1)^2*Catalan(n).at n=10A257589