The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 25 |
| 4 | 27 |
| 5 | 52 |
| 6 | 2003 |
| 7 | 2055 |
| 8 | 4058 |
| 9 | 50751 |
| 10 | 54809 |
| 11 | 105560 |
| 12 | 4066089 |
| 13 | 4171649 |
| 14 | 8237738 |
| 15 | 103024505 |
| 16 | 111262243 |
| 17 | 214286748 |
| 18 | 8254158667 |
| 19 | 8468445415 |
| 20 | 16722604082 |
| 21 | 209139694399 |
| 22 | 225862298481 |
| 23 | 435001992880 |
| 24 | 16755938027921 |
| 25 | 17190940020801 |
| 26 | 33946878048722 |
[1,1,2,25,27,52,2003,2055,4058,50751,54809,105560, 4066089,4171649,8237738,103024505,111262243, 214286748,8254158667,8468445415,16722604082, 209139694399,225862298481,435001992880, 16755938027921,17190940020801,33946878048722] |