# A134086 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 80 4 2464 5 255808 6 90320512 7 108630646016 8 451779274750464 9 6626041977171637248 10 348460175972420307970048 11 66523219303893985885632450560 12 46531358180797100870477866170818560