51016

Appears in sequences

• [ exp(4/17)*n! ].at n=7A030896
• Inverse Moebius transform of A001371 (starting at term 0).at n=21A054158
• Number of binary sequences of length n containing exactly one subsequence 0000.at n=18A118898
• G.f. A(x) satisfies: A(x) = x*exp(A(-x) - A(-x^2)/2 + A(-x^3)/3 - A(-x^4)/4 + ...).at n=28A307366
• a(n) = (3/2)*A019565((2n-1)^2) - A019565(A001065((2n-1)^2)), where A019565 is the base-2 exp-function, and A001065 is the sum of proper divisors of n.at n=5A379501