44815
domain: N
Appears in sequences
- Column 2 of triangle A055907.at n=38A055908
- Number of length n+3 0..6 arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.at n=17A248535
- a(n) = n! * [x^n] exp(n*x)/(1 - 2*x).at n=5A295100
- G.f.: Sum_{k>=0} A000041(k)^3 * x^k / Sum_{k>=0} A000009(k) * x^k.at n=10A304992