The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 19 |
| 3 | 89 |
| 4 | 151 |
| 5 | 701 |
| 6 | 1189 |
| 7 | 5519 |
| 8 | 9361 |
| 9 | 43451 |
| 10 | 73699 |
| 11 | 342089 |
| 12 | 580231 |
| 13 | 2693261 |
| 14 | 4568149 |
| 15 | 21203999 |
| 16 | 35964961 |
| 17 | 166938731 |
| 18 | 283151539 |
| 19 | 1314305849 |
| 20 | 2229247351 |
| 21 | 10347508061 |
| 22 | 17550827269 |
| 23 | 81465758639 |
| 24 | 138177370801 |
| 25 | 641378561051 |
[11,19,89,151,701,1189,5519,9361,43451,73699, 342089,580231,2693261,4568149,21203999,35964961, 166938731,283151539,1314305849,2229247351, 10347508061,17550827269,81465758639,138177370801, 641378561051] |