46728
domain: N
Appears in sequences
- First differences of A006268.at n=1A006274
- cos(arctan(x)*exp(x))=1-1/2!*x^2-6/3!*x^3-15/4!*x^4+20/5!*x^5...at n=9A012412
- Denominators of continued fraction convergents to sqrt(325).at n=3A041613
- a(n) = Sum_{d|3} phi(d)*n^(3/d).at n=36A054602
- Numbers k such that sigma(k^2 + 1) == 0 (mod k).at n=41A067719
- a(n) = 36*n^2 + 2*n.at n=35A158064
- Expansion of Product_{k>=1} (1 + x^(2*k)) / (1 - x^k).at n=33A279328
- Number of (undirected) Hamiltonian paths on the n-prism graph.at n=33A308137
- Number of vertices in a regular 2n-gon when all vertices are connect by straight lines except for the n lines joining diametrically opposite vertices.at n=17A368814