# A073216 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 6 6 9 7 14 8 15 9 18 10 27 11 41 12 42 13 45 14 54 15 81 16 122 17 123 18 126 19 135 20 162 21 243 22 365 23 366 24 369 25 378 26 405 27 486 28 729 29 1094 30 1095 31 1098 32 1107 33 1134 34 1215 35 1458 36 2187