# A271936 (b-file synthesized from sequence entry) 1 1 2 4 3 16 4 27 5 256 6 3125 7 46656 8 823543 9 16777216 10 387420489 11 10000000000 12 285311670611 13 8916100448256 14 302875106592253 15 11112006825558016 16 437893890380859375 17 18446744073709551616 18 827240261886336764177 19 39346408075296537575424 20 1978419655660313589123979 21 104857600000000000000000000