# A028400 (b-file synthesized from sequence entry) 0 4 1 9 2 25 3 81 4 289 5 1089 6 4225 7 16641 8 66049 9 263169 10 1050625 11 4198401 12 16785409 13 67125249 14 268468225 15 1073807361 16 4295098369 17 17180131329 18 68720001025 19 274878955521 20 1099513724929 21 4398050705409 22 17592194433025