37394

Appears in sequences

• G.f. A(x) satisfies the condition that both A(x) and F(x) = A(x/F(x)) = o.g.f. of A157309 have zeros for every other coefficient after initial terms; g.f. of dual sequence A155585 satisfies the same condition.at n=10A157310
• Unsigned bisection of A157308 and A157310.at n=5A158119
• G.f. satisfies: A(x) = G(x/A(x)) where o.g.f. G(x) = A(x*G(x)) = Sum_{n>=0} A003701(n)*x^n.at n=10A172396
• a(n) is the number of permutations of length n that avoid the pattern 321 and the mesh pattern (12, 175) or the same sequence for the mesh patterns (12, 235), (12, 430), (12, 490).at n=11A289593
• Intersection of A361073 and 2 * A361611.at n=33A361215
• Triangle read by rows: T(n,k) is the number of unlabeled tiered posets with n elements and height k.at n=58A361957
• a(n) = Sum_{k=0..n} (2*k+1) * binomial(5*n-3*k+1,n-k)/(5*n-3*k+1).at n=6A390711