# A061380 (b-file synthesized from sequence entry) 1 0 2 1 3 3 4 6 5 10 6 66 7 105 8 120 9 153 10 190 11 210 12 231 13 300 14 351 15 406 16 465 17 630 18 703 19 741 20 780 21 820 22 903 23 990 24 1035 25 1081 26 1326 27 1540 28 1770 29 1830 30 2016 31 2080 32 2556 33 2701 34 2850 35 3003 36 3081 37 3160 38 3240 39 3403 40 3570 41 4005 42 4095 43 4560 44 4950 45 5050 46 5460 47 5671 48 6105