81144

Appears in sequences

• Total number of repeated parts in all partitions of n.at n=33A194452
• Nonsquare numbers whose sum of proper square divisors is a square greater than 1.at n=28A232555
• Numbers whose sum of proper square divisors is a square greater than 1.at n=32A232556
• Triangle read by rows, T(n,k) (n>=0, 0<=k<=n) coefficients of the partial fraction decomposition of rational functions generating the columns of A247498 (the Swiss-Knife polynomials evaluated at nonnegative integers).at n=40A247501
• a(n) is the index of the first occurrence of n in A331284.at n=37A331285
• Expansion of e.g.f. 1/(1 - (exp(x) - 1)^4).at n=8A353775