# A217712 (b-file synthesized from sequence entry) 1 0 2 1 3 3 4 3 5 11 6 13 7 27 8 54 9 106 10 168 11 378 12 142 13 733 14 1597 15 1283 16 3418 17 8204 18 10112 19 24644 20 7829 21 32866 22 78136 23 178741 24 37002 25 256392 26 650596 27 1402914 28 286854 29 2053463