# A132757 (b-file synthesized from sequence entry) 0 0 1 15 2 31 3 48 4 66 5 85 6 105 7 126 8 148 9 171 10 195 11 220 12 246 13 273 14 301 15 330 16 360 17 391 18 423 19 456 20 490 21 525 22 561 23 598 24 636 25 675 26 715 27 756 28 798 29 841 30 885 31 930 32 976 33 1023 34 1071 35 1120 36 1170 37 1221 38 1273 39 1326 40 1380 41 1435 42 1491 43 1548 44 1606 45 1665