123878

Appears in sequences

• a(n) = (n^4 + 2n^3 + 5n^2 + 4)/4.at n=26A123350
• Number of integer partitions of n with at least one pair of consecutive divisible parts.at n=47A328221
• a(n) is the largest number that can be expressed as the sum of three triangular numbers in exactly n ways.at n=31A330810
• a(n) is the largest number that can be expressed as the sum of three positive triangular numbers in exactly n ways.at n=31A330811
• a(n) = [x^n] E(x)^n, where E(x) = exp( Sum_{k >= 1} A005258(k)*x^k/k ).at n=5A362724