814773960

Appears in sequences

• Product of Pell and Catalan numbers: a(n) = A000129(n+1)*A000108(n).at n=11A098616
• Number of permutations of 0..floor((n*5-1)/2) on even squares of an n X 5 array such that each row and column of even squares is increasing.at n=7A215289
• Number of permutations of 0..floor((n*5-2)/2) on odd squares of an nX5 array such that each row and column of odd squares is increasing.at n=7A215295