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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 5 |
| 3 | 9 |
| 4 | 14 |
| 5 | 23 |
| 6 | 359 |
| 7 | 382 |
| 8 | 741 |
| 9 | 1123 |
| 10 | 1864 |
| 11 | 8579 |
| 12 | 276392 |
| 13 | 1114147 |
| 14 | 1390539 |
| 15 | 2504686 |
| 16 | 3895225 |
| 17 | 6399911 |
| 18 | 99893890 |
| 19 | 106293801 |
| 20 | 206187691 |
| 21 | 312481492 |
| 22 | 518669183 |
| 23 | 2387158224 |
| 24 | 76907732351 |
| 25 | 310018087628 |
| 26 | 386925819979 |
| 27 | 696943907607 |
| 28 | 1083869727586 |
| 29 | 1780813635193 |
[1,4,5,9,14,23,359,382,741,1123,1864,8579,276392, 1114147,1390539,2504686,3895225,6399911,99893890, 106293801,206187691,312481492,518669183, 2387158224,76907732351,310018087628,386925819979, 696943907607,1083869727586,1780813635193] |