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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 5 |
| 7 | 5 |
| 8 | 13 |
| 9 | 13 |
| 10 | 32 |
| 11 | 36 |
| 12 | 85 |
| 13 | 98 |
| 14 | 226 |
| 15 | 270 |
| 16 | 610 |
| 17 | 754 |
| 18 | 1674 |
| 19 | 2111 |
| 20 | 4647 |
| 21 | 5945 |
| 22 | 13008 |
| 23 | 16843 |
| 24 | 36666 |
| 25 | 47931 |
| 26 | 103887 |
| 27 | 136971 |
| 28 | 295713 |
| 29 | 392856 |
| 30 | 845153 |
| 31 | 1130268 |
| 32 | 2424156 |
| 33 | 3260969 |
| 34 | 6975700 |
| 35 | 9431977 |
| 36 | 20130758 |
| 37 | 27342941 |
| 38 | 58243283 |
| 39 | 79431140 |
| 40 | 168900755 |
| 41 | 231186046 |
[1,1,1,2,2,5,5,13,13,32,36,85,98,226,270,610,754, 1674,2111,4647,5945,13008,16843,36666,47931, 103887,136971,295713,392856,845153,1130268, 2424156,3260969,6975700,9431977,20130758,27342941, 58243283,79431140,168900755,231186046] |