Numerator of the rational sequence c(n) defined by c(n+1) - 2*c(n) = Bernoulli number B_n (A027641/A027642).

A172032

Numerator of the rational sequence c(n) defined by c(n+1) - 2*c(n) = Bernoulli number B_n (A027641/A027642).

Terms

    a(0) =0a(1) =1a(2) =3a(3) =19a(4) =19a(5) =379a(6) =379a(7) =3539a(8) =3539a(9) =42461a(10) =42461a(11) =1868459a(12) =1868459a(13) =32384089a(14) =32384089a(15) =388644103a(16) =388644103a(17) =26424178387a(18) =26424178387a(19) =669590253599a(20) =669590253599

External references