# A063029 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 3 4 10 5 37 6 147 7 610 8 2616 9 11500 10 51546 11 234689 12 1082393 13 5046167 14 23742030 15 112589232 16 537589895 17 2582351997 18 12470621690 19 60508557435 20 294841397025 21 1442186809360 22 7078805571555 23 34855302159030