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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 5 |
| 6 | 15 |
| 7 | 15 |
| 8 | 34 |
| 9 | 46 |
| 10 | 84 |
| 11 | 96 |
| 12 | 246 |
| 13 | 282 |
| 14 | 512 |
| 15 | 696 |
| 16 | 1421 |
| 17 | 1713 |
| 18 | 3436 |
| 19 | 4084 |
| 20 | 8227 |
| 21 | 10821 |
| 22 | 19128 |
| 23 | 23258 |
| 24 | 48474 |
| 25 | 60943 |
| 26 | 106780 |
| 27 | 139313 |
| 28 | 252748 |
| 29 | 322577 |
| 30 | 600660 |
| 31 | 760872 |
| 32 | 1365570 |
| 33 | 1807979 |
| 34 | 3064882 |
| 35 | 3951491 |
| 36 | 7358684 |
| 37 | 9476993 |
| 38 | 15962935 |
| 39 | 21243381 |
[1,1,2,2,5,5,15,15,34,46,84,96,246,282,512,696, 1421,1713,3436,4084,8227,10821,19128,23258,48474, 60943,106780,139313,252748,322577,600660,760872, 1365570,1807979,3064882,3951491,7358684,9476993, 15962935,21243381] |