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| n | a(n) |
|---|---|
| 1 | 3639 |
| 2 | 5386 |
| 3 | 6476 |
| 4 | 10477 |
| 5 | 19475 |
| 6 | 40117 |
| 7 | 89339 |
| 8 | 211597 |
| 9 | 527555 |
| 10 | 1373797 |
| 11 | 3709259 |
| 12 | 10309117 |
| 13 | 29295635 |
| 14 | 84629077 |
| 15 | 247377179 |
| 16 | 729117037 |
| 17 | 2161327715 |
| 18 | 6431941957 |
| 19 | 19191749099 |
| 20 | 57367099357 |
| 21 | 171685007795 |
| 22 | 514222448437 |
| 23 | 1541002201019 |
[3639,5386,6476,10477,19475,40117,89339,211597, 527555,1373797,3709259,10309117,29295635,84629077, 247377179,729117037,2161327715,6431941957, 19191749099,57367099357,171685007795,514222448437, 1541002201019] |