156325

Appears in sequences

• Number of ordered 5-tuples of integers from [ 1,n ] with no common factors among triples.at n=32A015656
• Numbers that are the sum of 2 nonzero squares in exactly 9 ways.at n=4A025292
• Numbers that are the sum of 2 nonzero squares in 9 or more ways.at n=5A025300
• Numbers that are the sum of 2 distinct nonzero squares in exactly 9 ways.at n=4A025310
• Numbers that are the sum of 2 distinct nonzero squares in 9 or more ways.at n=5A025319
• Numbers k that are the hypotenuse of exactly 37 distinct integer-sided right triangles, i.e., k^2 can be written as a sum of two squares in 37 ways.at n=4A097245
• a(n) is the index of the first occurrence of n in A331284.at n=46A331285