47753

Appears in sequences

• Expansion of e.g.f. cos(x)/cos(log(1+x)).at n=8A009103
• a(n) = least m such that if r and s in {F(2*h-1)/F(2*h): h = 1,2,...,n} satisfy r < s, then r < k/m < s for some integer k, where F = A000045 (Fibonacci numbers).at n=6A024829
• Structured pentagonal icositetrahedral numbers (vertex structure 10).at n=16A100168
• A triangle related to the a(n) formulas of the rows of the ED1 array A167546.at n=40A167552
• The fifth left hand column of triangle A167552.at n=4A168303