# A323210 (b-file synthesized from sequence entry) 0 1 1 9 2 9 3 81 4 225 5 1089 6 3969 7 16641 8 65025 9 263169 10 1046529 11 4198401 12 16769025 13 67125249 14 268402689 15 1073807361 16 4294836225 17 17180131329 18 68718952449 19 274878955521 20 1099509530625 21 4398050705409 22 17592177655809 23 70368760954881 24 281474943156225 25 1125899973951489