# A050189 (b-file synthesized from sequence entry) 4 0 5 5 6 12 7 35 8 64 9 126 10 200 11 330 12 480 13 715 14 980 15 1365 16 1792 17 2380 18 3024 19 3876 20 4800 21 5985 22 7260 23 8855 24 10560 25 12650 26 14872 27 17550 28 20384 29 23751 30 27300 31 31465 32 35840 33 40920 34 46240 35 52360 36 58752 37 66045 38 73644 39 82251 40 91200