43174
domain: N
Appears in sequences
- Fibonacci sequence beginning 6, 13.at n=18A022388
- Numerators of continued fraction convergents to sqrt(720).at n=6A042386
- a(n) = Sum_{k=1..n} C(n-1,k-1) * S2(n,k) * 3^(n-k) for n>0, a(0)=1, where S2(n,k) = A048993(n,k) are Stirling numbers of the 2nd kind.at n=6A245060
- G.f.: Sum_{n>=0} x^n * Product_{k=1..n} (1 - x^(n+k))/(1 - x^k).at n=44A260894
- Hankel transform of A331473.at n=9A331474