107232053domain: NAppears in sequencesNumber of walks of length 2n+1 between two nodes at distance 3 in the cycle graph C_10.at n=13A095932a(n) = Sum_{k>=0} binomial(n,5*k+1).at n=29A133476a(n) = Sum_{ k >= 0} binomial(n,5*k+3).at n=29A139748a(n) = Sum_{k=0..n} binomial(5*n+4,5*k+1).at n=5A387813