# A014854 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 9 5 21 6 27 7 57 8 63 9 81 10 171 11 189 12 203 13 243 14 333 15 399 16 513 17 567 18 609 19 729 20 999 21 1083 22 1197 23 1539 24 1701 25 1827 26 2187 27 2331 28 2943 29 2997 30 3249 31 3591 32 4617 33 5103 34 5481 35 5887 36 6327 37 6561 38 6993 39 7581 40 8829 41 8991 42 9567 43 9747 44 10773 45 11571 46 11977