The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 187 |
| 5 | 191 |
| 6 | 569 |
| 7 | 760 |
| 8 | 35529 |
| 9 | 36289 |
| 10 | 108107 |
| 11 | 144396 |
| 12 | 6750323 |
| 13 | 6894719 |
| 14 | 20539761 |
| 15 | 27434480 |
| 16 | 1282525841 |
| 17 | 1309960321 |
| 18 | 3902446483 |
| 19 | 5212406804 |
| 20 | 243673159467 |
| 21 | 248885566271 |
| 22 | 741444292009 |
| 23 | 990329858280 |
| 24 | 46296617772889 |
| 25 | 47286947631169 |
[1,1,3,4,187,191,569,760,35529,36289,108107, 144396,6750323,6894719,20539761,27434480, 1282525841,1309960321,3902446483,5212406804, 243673159467,248885566271,741444292009, 990329858280,46296617772889,47286947631169] |