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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 7 |
| 5 | 10 |
| 6 | 16 |
| 7 | 24 |
| 8 | 36 |
| 9 | 54 |
| 10 | 81 |
| 11 | 122 |
| 12 | 183 |
| 13 | 275 |
| 14 | 412 |
| 15 | 619 |
| 16 | 928 |
| 17 | 1393 |
| 18 | 2090 |
| 19 | 3135 |
| 20 | 4702 |
| 21 | 7053 |
| 22 | 10580 |
| 23 | 15871 |
| 24 | 23807 |
| 25 | 35710 |
| 26 | 53565 |
| 27 | 80348 |
| 28 | 120523 |
| 29 | 180784 |
| 30 | 271176 |
| 31 | 406765 |
| 32 | 610148 |
| 33 | 915222 |
| 34 | 1372833 |
| 35 | 2059249 |
| 36 | 3088874 |
| 37 | 4633312 |
| 38 | 6949968 |
| 39 | 10424952 |
| 40 | 15637429 |
[1,2,3,4,7,10,16,24,36,54,81,122,183,275,412,619, 928,1393,2090,3135,4702,7053,10580,15871,23807, 35710,53565,80348,120523,180784,271176,406765, 610148,915222,1372833,2059249,3088874,4633312, 6949968,10424952,15637429] |