-842
domain: Z
Appears in sequences
- Dirichlet inverse of sigma_2 function (A001157).at n=28A053822
- Reversion of y - y^2 + y^4 + y^5.at n=9A063034
- Values of L(10^n), where L(n) is the summatory function of the Liouville function A008836(n).at n=7A090410
- Expansion of g.f. (2+7*x+2*x^2)/((x^2-1)*(1+4*x+x^2)).at n=6A097947
- Expansion of f(-q)^2*P(q) in powers of q.at n=35A122163
- Center antidiagonal four in a tri-antidiagonal n-th Matrix generated triangular sequence: first element as 4==m[1,1,1].at n=31A124028
- Expansion of psi(-x)^6 in powers of x where psi() is a Ramanujan theta function.at n=21A213791
- Difference between the number of primes with n digits (A006879) and the difference of consecutive integers nearest to Riemann(10^n) (see A228113).at n=11A228114
- Dirichlet g.f.: zeta(2*s) / (zeta(s) * zeta(s-2)).at n=28A328639