31385253913
domain: N
Appears in sequences
- a(n) = 2^n + 3^n.at n=22A007689
- Dirichlet convolution of b_n=2^(n-1) with c_n=3^(n-1).at n=22A034735
- Centered cube numbers: (n+1)^22 + n^22.at n=2A036100
- a(n) = 4^n + 9^n.at n=11A074614
- Expansion of (1 - 3*x + x^2)/((1-2*x)*(1-3*x)).at n=23A085281
- G.f.: (2-x)/((1+2x)(1-3x)); e.g.f.: exp(3x)+exp(-2x); a(n)=3^n+(-2)^n.at n=22A087451
- Integers nearest to (2^((n-3)/2) + 3^((n-3)/2)).at n=47A229194
- a(n) is the numerator of the asymptotic density of the numbers whose number of 3-smooth divisors is n.at n=22A382491