392130domain: NAppears in sequencesPositions of the incrementally largest terms in the continued fraction expansion of zeta(3), offset 1 variant.at n=18A033167a(0)=1; for n > 0, a(n) = n*(a(n-1) + i^(n-1)) if n is odd, n*a(n-1) + i^n otherwise, where i = sqrt(-1).at n=9A344935