34629

Appears in sequences

• a(n) = T(n,n-4), array T as in A055818.at n=25A055821
• a(n) = A306912(n) - 2.at n=30A209489
• Number of 4-vexillary permutations in S_n, that is, permutations whose Stanley symmetric function has at most 4 terms or at most 4 Edelman-Greene tableaux.at n=8A223905
• Partial sums of A033617.at n=41A299903
• G.f. satisfies A(x) = ( 1 + x*A(x)^2 / (1 - x*A(x)) )^3.at n=5A365147
• Number of ways to choose a simple labeled graph on [n], then partition the vertex set into independent sets, then choose a vertex from each independent set.at n=5A371633