# A057287 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 6 6 9 7 12 8 21 9 27 10 63 11 81 12 147 13 189 14 243 15 441 16 567 17 678 18 729 19 996 20 1029 21 1323 22 1449 23 1572 24 1701 25 2187 26 2781 27 3087 28 3969 29 5103 30 6561 31 7203 32 8444 33 8754 34 9261 35 11907 36 13041 37 13293 38 15309 39 19683 40 21609 41 23667 42 23949 43 25188 44 26019 45 27491