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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 3 | 17 |
| 4 | 76 |
| 5 | 38 |
| 6 | 262 |
| 7 | 1589 |
| 8 | 4075 |
| 9 | 11879 |
| 10 | 35464 |
| 11 | 17732 |
| 12 | 363160 |
| 13 | 181580 |
| 14 | 90790 |
| 15 | 9611333 |
| 16 | 11980120 |
| 17 | 92083502 |
| 18 | 175181914 |
| 19 | 862431935 |
| 20 | 2174608168 |
| 21 | 1087304084 |
| 22 | 543652042 |
| 23 | 271826021 |
| 24 | 235493860078 |
| 25 | 117746930039 |
| 26 | 1329806379184 |
| 27 | 664903189592 |
| 28 | 332451594796 |
| 29 | 166225797398 |
| 30 | 68713490263582 |
| 31 | 446139009321089 |
[2,7,17,76,38,262,1589,4075,11879,35464,17732, 363160,181580,90790,9611333,11980120,92083502, 175181914,862431935,2174608168,1087304084, 543652042,271826021,235493860078,117746930039, 1329806379184,664903189592,332451594796, 166225797398,68713490263582,446139009321089] |