132771
domain: N
Appears in sequences
- a(n) = T(n, 2*n-7), T given by A027926.at n=17A027930
- Dirichlet convolution of Catalan numbers with Bell numbers.at n=10A034769
- Having specified two initial terms, the "Half-Fibonacci" sequence proceeds like the Fibonacci sequence, except that the terms are halved before being added if they are even.at n=44A120424
- a(0) = 1, a(1) = 3; a(n+2) = (a(n+1) + a(n))/2 if 2 divides (a(n+1) + a(n)), a(n+2) = a(n+1) + a(n) otherwise.at n=44A151749
- a(n) = Sum_{k=0..floor(n/2)} binomial(3*n-k,n-2*k).at n=7A371742