1949762
domain: N
Appears in sequences
- Number of permutations of [n] with exactly 3 increasing runs of length at least 2.at n=4A000507
- Triangle read by rows: T(n,k) is the number of permutations of [n] with k increasing runs of length at least 2.at n=33A008971
- Triangle of polynomial coefficients related to the o.g.f.s. of the RBS1 polynomials.at n=18A160486