217740domain: NAppears in sequencesPoincaré series [or Poincare series] of Lie algebra associated with a certain braid group.at n=23A007990Number of (w,x,y,z) with all terms in {1,...,n} and 2|w-x|>=n+|y-z|.at n=36A212688Expansion of 1/2 * Product_{i>=0, j>=0, k>=0} (1 + x^(i^2 + j^2 + k^2)).at n=29A321381