# A105764 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 7 5 8 6 9 7 10 8 13 9 30 10 35 11 77 12 98 13 126 14 160 15 192 16 810 17 1086 18 1999 19 2021 20 3157 21 3426 22 3471 23 15066 24 24115 25 29782 26 29941