The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 12 |
| 3 | 23 |
| 4 | 113 |
| 5 | 151 |
| 6 | 5924 |
| 7 | 14254 |
| 8 | 106545 |
| 9 | 1915765 |
| 10 | 2798136 |
| 11 | 31749441 |
| 12 | 35282317 |
| 13 | 35389065 |
| 14 | 35389165 |
| 15 | 105227821 |
| 16 | 141291863 |
| 17 | 193789064 |
| 18 | 326730783 |
| 19 | 839512048 |
| 20 | 882012907 |
| 21 | 884676937 |
| 22 | 2780026914 |
| 23 | 2997751947 |
| 24 | 8493184690 |
| 25 | 8493955191 |
[2,12,23,113,151,5924,14254,106545,1915765, 2798136,31749441,35282317,35389065,35389165, 105227821,141291863,193789064,326730783,839512048, 882012907,884676937,2780026914,2997751947, 8493184690,8493955191] |