13733091643
domain: N
Appears in sequences
- Number of walks of length 2n between two nodes at distance 4 in the cycle graph C_10.at n=16A095931
- a(n) = Sum_{k=0..n} binomial(5*n+1,5*k).at n=7A345455
- a(n) = Sum_{k=0..n} binomial(2*n,5*k).at n=18A387844
- a(n) = Sum_{k=0..n} binomial(3*n,5*k).at n=12A387847
- a(n) = Sum_{k=0..n} binomial(4*n,5*k).at n=9A387848