# A358730 (b-file synthesized from sequence entry) 1 1 2 4 3 8 4 16 5 27 6 54 7 81 8 162 9 243 10 486 11 729 12 1458 13 2187 14 4374 15 6561 16 13122 17 19683 18 39366 19 59049