27481113638
domain: N
Appears in sequences
- Number of walks of length 2n+1 between two nodes at distance 3 in the cycle graph C_10.at n=17A095932
- a(n) = Sum_{k=0..n} binomial(5*n+2,5*k).at n=7A345456
- a(n) = Sum_{k=0..n} binomial(2*n+1,5*k).at n=18A387871
- a(n) = Sum_{k=0..n} binomial(3*n+1,5*k).at n=12A387872
- a(n) = Sum_{k=0..n} binomial(4*n+1,5*k).at n=9A387873