# A277378 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 50 4 361 5 3042 6 29929 7 331298 8 4100625 9 55777922 10 828691369 11 13316140818 12 230256982201 13 4257449540450 14 83834039024649 15 1750225301567618 16 38614608429012001 17 897325298084953602 18 21904718673762721225 19 560258287738117292018 20 14981472258320814527241