# A127679 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 2 6 4 7 6 8 15 9 35 10 119 11 221 12 1703 13 31571 14 444163 15 62571693 16 16130221953 17 31653658032799 18 1139752929797333269 19 190765682365696256860989 20 13391304481955883169111997465697