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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 16 |
| 7 | 20 |
| 8 | 37 |
| 9 | 53 |
| 10 | 81 |
| 11 | 107 |
| 12 | 177 |
| 13 | 227 |
| 14 | 332 |
| 15 | 449 |
| 16 | 647 |
| 17 | 830 |
| 18 | 1162 |
| 19 | 1480 |
| 20 | 2032 |
| 21 | 2597 |
| 22 | 3447 |
| 23 | 4348 |
| 24 | 5775 |
| 25 | 7251 |
| 26 | 9374 |
| 27 | 11758 |
| 28 | 15026 |
| 29 | 18640 |
| 30 | 23688 |
| 31 | 29220 |
| 32 | 36771 |
| 33 | 45128 |
| 34 | 56168 |
| 35 | 68674 |
| 36 | 85015 |
| 37 | 103394 |
| 38 | 126923 |
| 39 | 153871 |
| 40 | 187911 |
| 41 | 226653 |
[1,2,3,5,7,16,20,37,53,81,107,177,227,332,449,647, 830,1162,1480,2032,2597,3447,4348,5775,7251,9374, 11758,15026,18640,23688,29220,36771,45128,56168, 68674,85015,103394,126923,153871,187911,226653] |