# A129307 (b-file synthesized from sequence entry) 1 1 2 3 3 10 4 15 5 28 6 45 7 78 8 105 9 153 10 190 11 253 12 300 13 325 14 435 15 465 16 528 17 595 18 630 19 780 20 903 21 1128 22 1275 23 1830 24 2145 25 2415 26 2485 27 2628 28 3160 29 3403 30 3570 31 3655 32 3828 33 4095 34 4753 35 4950 36 5050 37 5253 38 5460 39 5995 40 6105 41 6670 42 7503 43 8515 44 9180 45 9453 46 9730 47 10440 48 11175