153392domain: NAppears in sequencesNumber of reduced words of length n in the Weyl group B_8.at n=19A161717Number of solutions to c(1)*prime(4) + c(2)*prime(5) + ... + c(2n-1)*prime(2n+2) = -1, where c(i) = +-1 for i>1, c(1) = 1.at n=13A261045