96212

Appears in sequences

• Number of set partitions of [5n] into 5-element subsets {i, i+k, i+2k, i+3k, i+4k} with 1<=k<=n.at n=14A349430
• G.f. satisfies A(x) = 1 + x*A(x) / (1 - x^5*A(x)^2).at n=23A365734