644096

Appears in sequences

• Number of nondecreasing -n..n vectors of length 5 whose dot product with some lexicographically greater or equal nondecreasing -n..n vector equals 5.at n=17A226426
• Number of Sidon subsets of {1,...,n} of size 5.at n=44A241689
• Exponential convolution of central polygonal numbers (A000124) with themselves.at n=11A276042
• Numbers that are the concatenation of a square and a cube, and also the concatenation of a cube and a square.at n=26A363835