# A057286 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 9 5 21 6 27 7 49 8 63 9 69 10 81 11 119 12 147 13 189 14 243 15 343 16 441 17 567 18 729 19 1029 20 1269 21 1323 22 1701 23 2187 24 2401 25 3087 26 3357 27 3969 28 5103 29 5271 30 5831 31 6561 32 7203 33 9261 34 9639 35 11907 36 15309 37 16767 38 16807 39 19683 40 20727 41 21609 42 24451 43 27783 44 30429 45 35077