# A038666 (b-file synthesized from sequence entry) 1 1 2 6 3 15 4 35 5 60 6 99 7 154 8 210 9 300 10 405 11 513 12 667 13 836 14 1035 15 1265 16 1512 17 1794 18 2139 19 2491 20 2890 21 3344 22 3822 23 4352 24 4928 25 5547 26 6230 27 6956 28 7749 29 8586 30 9486 31 10450 32 11475