# A024756 (b-file synthesized from sequence entry) 1 70 2 126 3 210 4 252 5 330 6 462 7 495 8 715 9 792 10 924 11 1001 12 1287 13 1365 14 1716 15 1820 16 2002 17 2380 18 3003 19 3060 20 3432 21 3876 22 4368 23 4845 24 5005 25 5985 26 6188 27 6435 28 7315 29 8008 30 8568 31 8855 32 10626 33 11440 34 11628 35 12376 36 12650 37 12870 38 14950 39 15504 40 17550 41 18564 42 19448