# A096283 (b-file synthesized from sequence entry) 1 8 2 18 3 40 4 92 5 216 6 508 7 1184 8 2730 9 6244 10 14210 11 32232 12 72886 13 164228 14 368508 15 823168 16 1830254 17 4050492 18 8922736 19 19567376 20 42726960 21 92925664 22 201364874 23 434900208 24 936411160 25 2010419024 26 4304117640 27 9189045664 28 19563691880