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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 7 |
| 4 | 10 |
| 5 | 14 |
| 6 | 21 |
| 7 | 32 |
| 8 | 50 |
| 9 | 79 |
| 10 | 126 |
| 11 | 202 |
| 12 | 325 |
| 13 | 524 |
| 14 | 846 |
| 15 | 1367 |
| 16 | 2210 |
| 17 | 3574 |
| 18 | 5781 |
| 19 | 9352 |
| 20 | 15130 |
| 21 | 24479 |
| 22 | 39606 |
| 23 | 64082 |
| 24 | 103685 |
| 25 | 167764 |
| 26 | 271446 |
| 27 | 439207 |
| 28 | 710650 |
| 29 | 1149854 |
| 30 | 1860501 |
| 31 | 3010352 |
| 32 | 4870850 |
| 33 | 7881199 |
| 34 | 12752046 |
| 35 | 20633242 |
| 36 | 33385285 |
| 37 | 54018524 |
| 38 | 87403806 |
| 39 | 141422327 |
[4,6,7,10,14,21,32,50,79,126,202,325,524,846,1367, 2210,3574,5781,9352,15130,24479,39606,64082, 103685,167764,271446,439207,710650,1149854, 1860501,3010352,4870850,7881199,12752046,20633242, 33385285,54018524,87403806,141422327] |