# A003451 (b-file synthesized from sequence entry) 5 1 6 4 7 8 8 16 9 25 10 40 11 56 12 80 13 105 14 140 15 176 16 224 17 273 18 336 19 400 20 480 21 561 22 660 23 760 24 880 25 1001 26 1144 27 1288 28 1456 29 1625 30 1820 31 2016 32 2240 33 2465 34 2720 35 2976 36 3264 37 3553 38 3876 39 4200 40 4560 41 4921 42 5320 43 5720 44 6160 45 6601 46 7084 47 7568 48 8096 49 8625 50 9200 51 9776 52 10400