| n | a(n) |
|---|---|
| 4 | 13 |
| 5 | 21 |
| 6 | 33 |
| 7 | 51 |
| 8 | 79 |
| 9 | 121 |
| 10 | 185 |
| 11 | 283 |
| 12 | 431 |
| 13 | 657 |
| 14 | 1001 |
| 15 | 1523 |
| 16 | 2319 |
| 17 | 3529 |
| 18 | 5369 |
| 19 | 8171 |
| 20 | 12431 |
| 21 | 18913 |
| 22 | 28777 |
| 23 | 43779 |
| 24 | 66607 |
| 25 | 101337 |
| 26 | 154169 |
| 27 | 234555 |
| 28 | 356847 |
| 29 | 542897 |
| 30 | 825961 |
| 31 | 1256595 |
| 32 | 1911759 |
| 33 | 2908521 |
| 34 | 4424953 |
| 35 | 6732043 |
| 36 | 10241999 |
| 37 | 15581953 |
| 38 | 23706089 |
[13,21,33,51,79,121,185,283,431,657,1001,1523, 2319,3529,5369,8171,12431,18913,28777,43779,66607, 101337,154169,234555,356847,542897,825961,1256595, 1911759,2908521,4424953,6732043,10241999,15581953, 23706089] |