115203domain: NAppears in sequencesExpansion of 1/((1-x)^3 (1-x^2)^2 (1-x^3) (1-x^4)).at n=33A002626Expansion of 1/((1-4x)(1-5x)(1-9x)(1-11x)).at n=4A028125Number of meanders of length n with Dyck-steps avoiding the consecutive steps UDU and DUD.at n=28A329703