211585

Appears in sequences

• Expansion of 1/((1-x)^5 - x^5).at n=16A049016
• Expansion of the g.f. x/((1+2x)(1-x-x^2)).at n=19A084179
• Number of walks of length 2n between two nodes at distance 2 in the cycle graph C_10.at n=9A095930
• a(n) = Sum_{k>=0} binomial(n,5*k+1).at n=20A133476
• a(n) = Sum_{k >= 0} binomial(n,5*k+4).at n=20A139761