-4160

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^16.at n=11A000739
• sin(arctanh(x)+arctan(x))=2*x-8/3!*x^3+80/5!*x^5-4160/7!*x^7...at n=3A013175
• n times the coefficient of x^n in log[1 + sum(k>=0, x^2^k)].at n=42A092462
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{3i+j-3,i+3j-3} (A204008).at n=35A204011
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of min{3i+j-3,i+3j-3} (A204012).at n=37A204013
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 7/4.at n=19A279678
• a(n) = A019565(1+n) - A019565(A001065(n)), where A019565 is the base-2 exp-function, and A001065 is the sum of proper divisors of n.at n=35A379496