10665270domain: NAppears in sequencesa(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.at n=8A256324Number of Lyndon words (aperiodic necklaces) with 6 beads of n colors.at n=19A292350