# A139050 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 25 6 9 7 343 8 512 9 27 10 625 11 14641 12 81 13 371293 14 537824 15 15625 16 262144 17 24137569 18 612220032 19 893871739 20 1280000000 21 37822859361 22 214358881 23 78310985281 24 134217728 25 3814697265625 26 137858491849 27 205891132094649 28 289254654976 29 12200509765705829