7619870

Appears in sequences

• a(n) = Sum_{k <= n/2} binomial(n-2k, 3k+2).at n=31A137358
• Expansion of 1/(1 - x^3/(1-x)^5).at n=20A369804
• a(n) = Sum_{k=0..floor((2*n+1)/3)} binomial(2*k+1,2*n-3*k+1).at n=23A391600