51741

Appears in sequences

• Number of partitions of n in which some but not all parts are equal.at n=42A167930
• a(n) = Sum_{i=0..n} digsum_5(i)^4, where digsum_5(i) = A053824(i).at n=57A231671
• Numbers n such that n is the sum of two nonzero squares in exactly one way, n+1 is the sum of a positive square and a positive cube in exactly one way and n+2 is the sum of 2 positive cubes in exactly one way.at n=4A273530
• Number of regions among all distinct circles that can be constructed from a 2 X n square grid of points using only a compass.at n=10A359860