# A000529 (b-file synthesized from sequence entry) 1 20 2 74 3 186 4 388 5 721 6 1236 7 1995 8 3072 9 4554 10 6542 11 9152 12 12516 13 16783 14 22120 15 28713 16 36768 17 46512 18 58194 19 72086 20 88484 21 107709 22 130108 23 156055 24 185952 25 220230 26 259350 27 303804 28 354116 29 410843 30 474576 31 545941 32 625600 33 714252 34 812634 35 921522 36 1041732 37 1174121 38 1319588 39 1479075 40 1653568 41 1844098 42 2051742 43 2277624 44 2522916 45 2788839 46 3076664 47 3387713 48 3723360 49 4085032 50 4474210