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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 10 |
| 4 | 20 |
| 5 | 36 |
| 6 | 65 |
| 7 | 110 |
| 8 | 184 |
| 9 | 297 |
| 10 | 473 |
| 11 | 734 |
| 12 | 1127 |
| 13 | 1696 |
| 14 | 2526 |
| 15 | 3707 |
| 16 | 5388 |
| 17 | 7737 |
| 18 | 11018 |
| 19 | 15532 |
| 20 | 21731 |
| 21 | 30147 |
| 22 | 41538 |
| 23 | 56813 |
| 24 | 77234 |
| 25 | 104317 |
| 26 | 140120 |
| 27 | 187139 |
| 28 | 248680 |
| 29 | 328769 |
| 30 | 432664 |
| 31 | 566759 |
| 32 | 739297 |
| 33 | 960315 |
| 34 | 1242583 |
| 35 | 1601645 |
| 36 | 2057095 |
| 37 | 2632724 |
[1,2,5,10,20,36,65,110,184,297,473,734,1127,1696, 2526,3707,5388,7737,11018,15532,21731,30147,41538, 56813,77234,104317,140120,187139,248680,328769, 432664,566759,739297,960315,1242583,1601645, 2057095,2632724] |