# A368767 (b-file synthesized from sequence entry) 0 1 1 0 2 4 3 2 4 28 5 105 6 686 7 4718 8 37864 9 340611 10 3406330 11 37469344 12 449632492 13 5845221941 14 81833107734 15 1227496615330 16 19639945846096 17 333879079382663 18 6009823428889074 19 114186645148891076 20 2283732902977823060 21 47958390962534282489 22 1055084601175754216782