145302

Appears in sequences

• Coefficients of powers of x^2 of polynomials, called h(2,n,x^2), appearing in a conjecture on alternating sums of fifth powers of odd-indexed Chebyshev S polynomials stated in A220671.at n=44A220672
• Numbers which can written in exactly four ways as a sum of two distinct nonzero pentagonal numbers.at n=36A333014
• Number of unlabeled connected loopless multigraphs with n edges rooted at two noninterchangeable vertices.at n=8A339042