-717
domain: Z
Appears in sequences
- sech(cos(x)*sin(x))=1-1/2!*x^2+21/4!*x^4-717/6!*x^6+46025/8!*x^8...at n=3A012479
- a(n) = 1 - Sum_{k=2..n} k*k!.at n=3A092634
- Inverse binomial transform of the Moebius sequence {mu(k), k >= 1}, A008683.at n=10A124839
- Triangle, row sums = A008683, the Mobius sequence.at n=65A124840
- a(n)=-a(n-1)+2a(n-3).at n=18A137426
- a(0) = -1 and a(n) = (-1)^(n+1)*(3*n^2 - n + 4)/2 for n >= 1.at n=22A173247
- Imbalance of the sum of largest parts of all partitions of n.at n=19A194809
- Values of n such that L(11) and N(11) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=16A227449
- Expansion of Sum_{k>=1} mu(k)*log(1 + Sum_{j>=1} x^(prime(j)*k))/k.at n=63A308298