The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 13 |
| 4 | 49 |
| 5 | 47 |
| 6 | 481 |
| 7 | 107 |
| 8 | 6859 |
| 9 | 3721 |
| 10 | 3277 |
| 11 | 257 |
| 12 | 121841 |
| 13 | 397 |
| 14 | 11309 |
| 15 | 22261 |
| 16 | 7890481 |
| 17 | 653 |
| 18 | 1390861 |
| 19 | 881 |
| 20 | 1416521 |
| 21 | 78373 |
| 22 | 47479 |
| 23 | 1279 |
| 24 | 157208087 |
| 25 | 143641 |
| 26 | 92011 |
| 27 | 15813251 |
| 28 | 7018237 |
| 29 | 1889 |
| 30 | 14701639 |
| 31 | 2293 |
| 32 | 38579489651 |
| 33 | 309709 |
| 34 | 207527 |
| 35 | 461939 |
| 36 | 2938615681 |
| 37 | 3119 |
[1,3,13,49,47,481,107,6859,3721,3277,257,121841, 397,11309,22261,7890481,653,1390861,881,1416521, 78373,47479,1279,157208087,143641,92011,15813251, 7018237,1889,14701639,2293,38579489651,309709, 207527,461939,2938615681,3119] |