# A091411 (b-file synthesized from sequence entry) 1 1 2 3 3 9 4 19 5 47 6 98 7 220 8 441 9 885 10 1771 11 3551 12 7106 13 14279 14 28559 15 57121 16 114243 17 228495 18 456994 19 914012 20 1828025 21 3656053 22 7312107 23 14624223 24 29248450 25 58497096 26 116994195 27 233988391 28 467976791 29 935953586 30 1871907196