-3636
domain: Z
Appears in sequences
- Expansion of (1-x)^(-1)/(1-x^2+2*x^3).at n=23A077884
- Expansion of (1 - x)^(-1)/(1 + x - 2*x^2).at n=13A077898
- A triangle related to the GF(z) formulas of the rows of the ED4 array A167584.at n=18A167594
- a(n) = Sum_{d|n} mu(n/d) * d * (n/d)^(d-1), where mu() is the Moebius function (A008683).at n=17A359188