378529

Appears in sequences

• Secondary diagonal of rectangular table A124460.at n=7A124468
• Number of ways of partitioning the set of the first n positive triangular numbers into two subsets whose sums differ at most by 1.at n=29A308682
• Number of solutions to +-1 +- 3 +- 6 +- 10 +- ... +- n*(n + 1)/2 = 0 or 1.at n=29A350287