106237

Appears in sequences

• Number of odd squarefree numbers <= 2^n.at n=18A256942
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 5/4.at n=40A279677
• a(n) = 836*2^n - 771.at n=7A305264