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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 4 |
| 10 | 6 |
| 11 | 6 |
| 12 | 9 |
| 13 | 9 |
| 14 | 15 |
| 15 | 17 |
| 16 | 30 |
| 17 | 30 |
| 18 | 46 |
| 19 | 46 |
| 20 | 51 |
| 21 | 61 |
| 22 | 103 |
| 23 | 103 |
| 24 | 129 |
| 25 | 158 |
| 26 | 282 |
| 27 | 282 |
| 28 | 322 |
| 29 | 322 |
| 30 | 553 |
| 31 | 553 |
| 32 | 615 |
| 33 | 689 |
| 34 | 1247 |
| 35 | 1365 |
| 36 | 1870 |
| 37 | 1870 |
| 38 | 3566 |
| 39 | 3758 |
| 40 | 5244 |
| 41 | 5244 |
| 42 | 8677 |
| 43 | 8677 |
| 44 | 9807 |
| 45 | 12147 |
| 46 | 23351 |
| 47 | 23351 |
| 48 | 27469 |
| 49 | 31694 |
| 50 | 45718 |
| 51 | 47186 |
| 52 | 54594 |
| 53 | 54594 |
| 54 | 95382 |
| 55 | 108198 |
[1,1,1,1,2,2,3,3,3,4,6,6,9,9,15,17,30,30,46,46,51, 61,103,103,129,158,282,282,322,322,553,553,615, 689,1247,1365,1870,1870,3566,3758,5244,5244,8677, 8677,9807,12147,23351,23351,27469,31694,45718, 47186,54594,54594,95382,108198] |