51041

Appears in sequences

• Integers with mutual residues -10.at n=3A110466
• Number of partitions of {1,..,n} in which no part of a given size occurs just once.at n=11A114917
• Numerators of partial alternating sums of Catalan numbers scaled by powers of 1/(5*8^2) = 1/320.at n=2A121010
• Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=19A252978