# A115075 (b-file synthesized from sequence entry) 1 1 2 4 3 9 4 20 5 25 6 36 7 49 8 80 9 99 10 100 11 121 12 180 13 169 14 196 15 225 16 352 17 289 18 396 19 361 20 500 21 441 22 484 23 529 24 720 25 725 26 676 27 891 28 980 29 841 30 900 31 961 32 1408 33 1089 34 1156 35 1225 36 1980 37 1369 38 1444 39 1521 40 2000 41 1681 42 1764 43 1849 44 2420 45 2475 46 2116 47 2209 48 3168 49 2695 50 2900