272802

Appears in sequences

• Expansion of sum ( q^n / product( 1-q^k, k=1..5*n), n=0..inf ).at n=44A035297
• Index k of the least colossally abundant number c=A004490(k) with sigma(c)/c >= n.at n=25A110443
• Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any diagonal or antidiagonal neighbor, and containing the value n(n+1)/2-2.at n=37A211958
• Numbers k with at least one nonpalindromic divisor such that the sum of sigma(d) = the sum of sigma(reverse(d)), where d runs over the divisors of k.at n=4A247826