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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 4 |
| 2 | 32 |
| 3 | 72 |
| 4 | 153 |
| 5 | 289 |
| 6 | 523 |
| 7 | 912 |
| 8 | 1556 |
| 9 | 2612 |
| 10 | 4337 |
| 11 | 7145 |
| 12 | 11707 |
| 13 | 19108 |
| 14 | 31104 |
| 15 | 50536 |
| 16 | 82001 |
| 17 | 132937 |
| 18 | 215379 |
| 19 | 348800 |
| 20 | 564708 |
| 21 | 914084 |
| 22 | 1479417 |
| 23 | 2394177 |
| 24 | 3874323 |
| 25 | 6269284 |
| 26 | 10144448 |
| 27 | 16414632 |
| 28 | 26560041 |
| 29 | 42975762 |
| 30 | 69536959 |
| 31 | 112513946 |
| 32 | 182052201 |
| 33 | 294567516 |
[3,4,32,72,153,289,523,912,1556,2612,4337,7145, 11707,19108,31104,50536,82001,132937,215379, 348800,564708,914084,1479417,2394177,3874323, 6269284,10144448,16414632,26560041,42975762, 69536959,112513946,182052201,294567516] |