313701
domain: N
Appears in sequences
- a(n) = Sum_{k <= n/2} binomial(n-2k, 3k+2).at n=25A137358
- Integers n such that each of n, n + 1, n + 2, n + 4, n + 5, n + 6 is the squarefree product of three primes.at n=16A242805
- Number of compositions of 5*n-1 into parts 3 and 5.at n=15A369846
- a(n) = Sum_{k=0..floor(2*n/3)} binomial(2*k+1,2*n-3*k).at n=19A392454