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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 13 |
| 4 | 41 |
| 5 | 107 |
| 6 | 227 |
| 7 | 503 |
| 8 | 881 |
| 9 | 1409 |
| 10 | 2039 |
| 11 | 2819 |
| 12 | 3947 |
| 13 | 5273 |
| 14 | 6869 |
| 15 | 8699 |
| 16 | 11549 |
| 17 | 15377 |
| 18 | 19937 |
| 19 | 24593 |
| 20 | 30809 |
| 21 | 38069 |
| 22 | 47939 |
| 23 | 58379 |
| 24 | 69257 |
| 25 | 82787 |
| 26 | 98897 |
| 27 | 115733 |
| 28 | 133499 |
| 29 | 152027 |
| 30 | 172127 |
| 31 | 192833 |
| 32 | 218711 |
| 33 | 247391 |
| 34 | 279269 |
| 35 | 315047 |
| 36 | 355517 |
| 37 | 399473 |
| 38 | 444623 |
[2,3,13,41,107,227,503,881,1409,2039,2819,3947, 5273,6869,8699,11549,15377,19937,24593,30809, 38069,47939,58379,69257,82787,98897,115733,133499, 152027,172127,192833,218711,247391,279269,315047, 355517,399473,444623] |