# A343289 (b-file synthesized from sequence entry) 1 1 2 512 3 19683 4 393472 5 1953125 6 20155392 7 40353607 8 290936320 9 581140575 10 2000000000 11 2357947691 12 18064270080 13 10604499373 14 41322093568 15 76886718750 16 209122656384 17 118587876497 18 694262555136 19 322687697779 20 1792500000000 21 1588560093162 22 2414538435584 23 1801152661463