121875
domain: N
Appears in sequences
- Numbers j that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., j^2 can be written as a sum of two squares in 16 ways.at n=6A097238
- Ordered (2,2)-selections from the multiset {1,1,2,2,3,3,...,n,n}.at n=26A188667
- Numbers m such that m, m' and m'' are in arithmetic progression, where m' and m'' are the first and second arithmetic derivatives of m.at n=32A212409