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| n | a(n) |
|---|---|
| 0 | 25 |
| 1 | 76 |
| 2 | 101 |
| 3 | 177 |
| 4 | 455 |
| 5 | 1997 |
| 6 | 8443 |
| 7 | 10440 |
| 8 | 50203 |
| 9 | 60643 |
| 10 | 292775 |
| 11 | 1231743 |
| 12 | 2756261 |
| 13 | 3988004 |
| 14 | 6744265 |
| 15 | 24220799 |
| 16 | 1217784215 |
| 17 | 3677573444 |
| 18 | 4895357659 |
| 19 | 8572931103 |
| 20 | 22041219865 |
| 21 | 96737810563 |
| 22 | 408992462117 |
[25,76,101,177,455,1997,8443,10440,50203,60643, 292775,1231743,2756261,3988004,6744265,24220799, 1217784215,3677573444,4895357659,8572931103, 22041219865,96737810563,408992462117] |