# A023622 (b-file synthesized from sequence entry) 1 2 2 11 3 30 4 65 5 128 6 234 7 410 8 700 9 1173 10 1945 11 3198 12 5230 13 8524 14 13858 15 22493 16 36470 17 59089 18 95694 19 154926 20 250770 21 405854 22 656789 23 1062817 24 1719788 25 2782794 26 4502780 27 7285780