a(n) = denominator of (1/n^3)*(-1/(n+1) + 16/(n+2) + 3/(4*(2*n+1)) - 81/(4*(2*n+3))), term of a BBP-type series representation of zeta(3) by V. Adamchik and S. Wagon.

A256324

a(n) = denominator of (1/n^3)*(-1/(n+1) + 16/(n+2) + 3/(4*(2*n+1)) - 81/(4*(2*n+3))), term of a BBP-type series representation of zeta(3) by V. Adamchik and S. Wagon.

Terms

    a(0) =30a(1) =840a(2) =3780a(3) =3520a(4) =750750a(5) =98280a(6) =2099160a(7) =7441920a(8) =10665270a(9) =5313000a(10) =119390700a(11) =3931200a(12) =40139190a(13) =18501420a(14) =313038000a(15) =241274880a(16) =2175918570a(17) =266493240a(18) =1535455740a(19) =3258024000a(20) =1007504190a(21) =172657320a(22) =16812360600a(23) =3742502400

External references