# A001083 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 3 5 5 6 7 7 10 8 15 9 23 10 34 11 50 12 75 13 113 14 170 15 255 16 382 17 574 18 863 19 1293 20 1937 21 2903 22 4353 23 6526 24 9789 25 14688 26 22029 27 33051 28 49577 29 74379 30 111580 31 167388 32 251090 33 376631 34 564932 35 847376 36 1271059 37 1906628 38 2859984