80564

Appears in sequences

• Expansion of (1+x^2)/(1-x-x^5) = (1+x^2)/((1-x+x^2)*(1-x^2-x^3)).at n=41A098523
• Number of partitions p of n such that (number of numbers of the form 5k + 4 in p) is a part of p.at n=48A241553
• a(n) is the number of subsets of {1,2,...,n} with at least two elements and the difference between successive elements at least 6.at n=43A335184
• Number of edges among all distinct circles that can be constructed from the 4 vertices and the equally spaced 4*n points placed on the sides of a square, using only a compass.at n=4A372979