# A172167 (b-file synthesized from sequence entry) 1 2 2 5 3 10 4 17 5 30 6 47 7 66 8 103 9 176 10 273 11 382 12 545 13 738 14 995 15 1428 16 1915 17 2492 18 3261 19 4414 20 5711 21 7170 22 9763 23 12680 24 16137 25 20026 26 30395 27 42684 28 60181 29 78614 30 117981 31 170470 32 236007 33 375976 34 523433 35 733386 36 1065163 37 1537556 38 2167413 39 2913910