1652090

Appears in sequences

• Expansion of 1/((1-x)^5 - x^5).at n=19A049016
• Closed walks of length n along the edges of a pentagon based at a vertex.at n=23A054877
• Number of walks of length 2n+1 between two nodes at distance 5 in the cycle graph C_10.at n=9A095933
• a(n) = Sum_{k >= 0} binomial(n,5*k+4).at n=23A139761
• sum_{k=floor[(n+5)/2] mod 5} C(n,k).at n=23A173126
• Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(5*k+4) / (5*k+4)! ).at n=23A365914