# A108729 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 9 5 21 6 27 7 57 8 81 9 111 10 189 11 243 12 333 13 441 14 729 15 777 16 999 17 1161 18 1701 19 2109 20 2187 21 2529 22 2709 23 2763 24 2793 25 2997