-1967
domain: Z
Appears in sequences
- E.g.f.: arctan(sec(x)*log(x+1)) = x - 1/2!*x^2 + 3/3!*x^3 - 37/5!*x^5 + 345/6!*x^6 - ...at n=7A012775
- a(n) = 9^n - n^11.at n=2A024112
- E.g.f.: Product_{k>=1} (1 - x^k)^(1/k!).at n=8A345762
- Expansion of Sum_{k>=0} k^3 * x^k/(1 + k * x).at n=9A349854
- a(n) = Sum_{k=0..n} Stirling1(n,k) * (n!/k!)^2.at n=4A385752