# A135082 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 40 4 326 5 3492 6 46558 7 744320 8 13889080 9 296459376 10 7125938790 11 190502850972 12 5607258255032 13 180198503713952 14 6278311585490032 15 235730921392184452 16 9489040823468191328 17 407662178549724426176