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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 17 |
| 5 | 37 |
| 6 | 85 |
| 7 | 181 |
| 8 | 399 |
| 9 | 841 |
| 10 | 1805 |
| 11 | 3757 |
| 12 | 7933 |
| 13 | 16363 |
| 14 | 34071 |
| 15 | 69853 |
| 16 | 144017 |
| 17 | 293575 |
| 18 | 601057 |
| 19 | 1219963 |
| 20 | 2483583 |
| 21 | 5024947 |
| 22 | 10186313 |
| 23 | 20554435 |
| 24 | 41536741 |
| 25 | 83642701 |
| 26 | 168605979 |
| 27 | 338998243 |
| 28 | 682062545 |
| 29 | 1369642897 |
| 30 | 2751816157 |
| 31 | 5520626545 |
| 32 | 11079529671 |
| 33 | 22211431597 |
| 34 | 44539552109 |
| 35 | 89239094785 |
[1,1,3,7,17,37,85,181,399,841,1805,3757,7933, 16363,34071,69853,144017,293575,601057,1219963, 2483583,5024947,10186313,20554435,41536741, 83642701,168605979,338998243,682062545,1369642897, 2751816157,5520626545,11079529671,22211431597, 44539552109,89239094785] |