14494859

Appears in sequences

• Number of permutations of [n] with exactly 2 increasing runs of length at least 2.at n=8A000363
• 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=44A008971
• Triangle of polynomial coefficients related to the o.g.f.s. of the RBS1 polynomials.at n=23A160486
• Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=3, k=-1 and l=-1.at n=13A176956