-2
domain: Z
Appears in sequences
- Expansion of e.g.f. exp(-2*x)/(1-x).at n=3A000023
- Coefficients of the 3rd-order mock theta function f(q).at n=2A000025
- Coefficient of q^(2n) in the series expansion of Ramanujan's mock theta function f(q).at n=1A000039
- Nearest integer to tan n.at n=2A000209
- Nearest integer to tan n.at n=21A000209
- Nearest integer to tan n.at n=24A000209
- Nearest integer to tan n.at n=46A000209
- Nearest integer to tan n.at n=68A000209
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=4A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=9A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=10A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=22A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=28A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=37A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=43A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=44A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=57A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=79A000319
- a(n) = floor(b(n)), where b(n) = tan(b(n-1)), b(0)=1.at n=85A000319
- Nearest integer to b(n), where b(n) = tan(b(n-1)), b(0) = 1.at n=5A000329