31196
domain: N
Appears in sequences
- Number of partitions of n with even number (or 0) 2's.at n=42A092295
- Triangle read by rows: T(n,k) is the number of peakless Motzkin paths of length n having k UHD's; here U=(1,1), H=(1,0), and D=(1,-1).at n=52A190172
- Number of 5-element subsets of [n] having a prime element sum.at n=25A320680
- G.f. satisfies A(x) = 1/(1-x) + x^3*(1-x)*A(x)^3.at n=18A364595