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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 9 |
| 6 | 17 |
| 7 | 45 |
| 8 | 124 |
| 9 | 307 |
| 10 | 654 |
| 11 | 1211 |
| 12 | 2023 |
| 13 | 3151 |
| 14 | 4750 |
| 15 | 6987 |
| 16 | 10050 |
| 17 | 14185 |
| 18 | 19607 |
| 19 | 26627 |
| 20 | 35677 |
| 21 | 47235 |
| 22 | 61729 |
| 23 | 79723 |
| 24 | 101845 |
| 25 | 128802 |
| 26 | 161452 |
| 27 | 200713 |
| 28 | 247738 |
| 29 | 303649 |
| 30 | 369658 |
| 31 | 447212 |
| 32 | 537879 |
| 33 | 643420 |
| 34 | 765704 |
| 35 | 906672 |
| 36 | 1068461 |
| 37 | 1253499 |
| 38 | 1464695 |
[1,1,2,5,9,17,45,124,307,654,1211,2023,3151,4750, 6987,10050,14185,19607,26627,35677,47235,61729, 79723,101845,128802,161452,200713,247738,303649, 369658,447212,537879,643420,765704,906672,1068461, 1253499,1464695] |