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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 9 |
| 7 | 21 |
| 8 | 41 |
| 9 | 71 |
| 10 | 119 |
| 11 | 211 |
| 12 | 409 |
| 13 | 835 |
| 14 | 1701 |
| 15 | 3365 |
| 16 | 6473 |
| 17 | 12307 |
| 18 | 23539 |
| 19 | 45691 |
| 20 | 89791 |
| 21 | 177205 |
| 22 | 348835 |
| 23 | 683503 |
| 24 | 1335441 |
| 25 | 2610099 |
| 26 | 5114439 |
| 27 | 10050315 |
| 28 | 19784709 |
| 29 | 38964103 |
| 30 | 76711165 |
| 31 | 150980413 |
| 32 | 297203129 |
| 33 | 585404659 |
| 34 | 1153999639 |
| 35 | 2276421527 |
| 36 | 4492549499 |
[1,1,1,1,1,3,9,21,41,71,119,211,409,835,1701,3365, 6473,12307,23539,45691,89791,177205,348835,683503, 1335441,2610099,5114439,10050315,19784709, 38964103,76711165,150980413,297203129,585404659, 1153999639,2276421527,4492549499] |