75141

Appears in sequences

• Ordered (2,2)-selections from the multiset {1,1,2,2,3,3,...,n,n}.at n=23A188667
• a(n) = 2*n^3 + 3*n^2.at n=33A275709
• Numbers that have exactly 8 representations as a k-gonal number, P(m,k) = m*((k-2)*m - (k-4))/2, k and m >= 3.at n=2A321158