25846
domain: N
Appears in sequences
- a(n) = A026637(2*n-1, n-2).at n=7A026642
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 92 ones.at n=18A031860
- Number of triangles that can be built from rods with lengths 1,2,...,n by using and concatenating not necessarily all rods.at n=14A160456
- Number of non-intersecting unit cubes regularly packed into the tetrahedron of edge length n.at n=61A219965
- Expansion of 1/(1 - x/(1 - x^4/(1 - x^10/(1 - x^20/(1 - x^35/(1 - ... - x^(k*(k+1)*(k+2)/6)/(1 - ...))))))), a continued fraction.at n=34A295072
- Expansion of e.g.f. exp(x) / (2 - cos(x)).at n=9A348587
- a(n) is the number of boards in English Peg Solitaire, reached after n moves, for which no more moves are possible.at n=22A350998