# A137354 (b-file synthesized from sequence entry) 1 1 2 4 3 9 4 16 5 27 6 64 7 125 8 196 9 12167 10 28224 11 68921 12 115600 13 177147 14 244036 15 421875 16 614656 17 970299 18 1378276 19 2460375 20 3556996 21 4657463 22 5760000 23 9129329 24 12531600 25 16974593 26 21436900 27 26730899 28 32035600 29 39135393 30 46240000 31 53582633