# A025734 (b-file synthesized from sequence entry) 1 1 2 5 3 12 4 22 5 35 6 51 7 71 8 94 9 120 10 149 11 181 12 216 13 255 14 297 15 342 16 390 17 441 18 495 19 553 20 614 21 678 22 745 23 815 24 888 25 965 26 1045 27 1128 28 1214 29 1303 30 1395 31 1491 32 1590 33 1692 34 1797 35 1905 36 2016 37 2131 38 2249 39 2370 40 2494 41 2621 42 2751 43 2885 44 3022 45 3162 46 3305 47 3451 48 3600 49 3753