# A335562 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 3 5 5 6 13 7 29 8 71 9 165 10 421 11 1029 12 2647 13 6593 14 17241 15 43801 16 115555 17 297513 18 791337 19 2062737 20 5516755 21 14497373 22 38994597 23 103269053 24 278921927 25 742950845 26 2014648253 27 5396210357 28 14677306503 29 39477832745 30 107701409665 31 290871580345 32 795431700707 33 2155140605137