# A091916 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 3 4 3 5 5 6 9 7 9 8 15 9 27 10 27 11 45 12 81 13 81 14 135 15 243 16 243 17 405 18 729 19 729 20 1215 21 2187 22 2187 23 3645 24 6561 25 6561 26 10935 27 19683 28 19683 29 32805 30 59049 31 59049 32 98415 33 177147 34 177147 35 295245 36 531441 37 531441 38 885735 39 1594323 40 1594323 41 2657205 42 4782969 43 4782969