42761
domain: N
Appears in sequences
- Expansion of 1/((1-8*x)*(1-11*x)).at n=4A016187
- Strong pseudoprimes to base 98.at n=30A020324
- G.f.: x^2*(x^2 + x + 1)/(x^4 - 2*x + 1).at n=16A027084
- Let f(n) = exp(Pi*sqrt(n)); sequence gives numbers n such that f(n) - floor(f(n)) < 1/10^3.at n=38A127028
- E.g.f.: Integral exp(-x*tanh(x)) / cosh(x) dx.at n=4A354020