53971350

Appears in sequences

• Expansion of 1/((1-x)^5 - x^5).at n=24A049016
• Closed walks of length n along the edges of a pentagon based at a vertex.at n=28A054877
• Number of closed walks of length 2n at a vertex of the cyclic graph on 10 nodes C_10.at n=14A095929
• a(n) = Sum_{k >= 0} binomial(n,5*k+4).at n=28A139761
• a(n) = Sum_{k == floor(n/2) (mod 5)} C(n,k).at n=28A173125