52570

Appears in sequences

• Numbers which when multiplied by any repunit prime Rp give a Smith number.at n=35A104167
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 0), (0, -1), (1, -1), (1, 1)}.at n=10A151272
• E.g.f.: -arcsinh(x)*LambertW(-x).at n=7A277484
• Number of partitions of n into colored blocks of equal parts, such that all colors from a set of size four are used and the colors are introduced in increasing order.at n=21A327287