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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 12 |
| 3 | 65 |
| 4 | 291 |
| 5 | 1229 |
| 6 | 4795 |
| 7 | 17186 |
| 8 | 57060 |
| 9 | 177629 |
| 10 | 522893 |
| 11 | 1463248 |
| 12 | 3907906 |
| 13 | 9995404 |
| 14 | 24562967 |
| 15 | 58167281 |
| 16 | 133102296 |
| 17 | 295046074 |
| 18 | 635009083 |
| 19 | 1329686297 |
| 20 | 2713960089 |
| 21 | 5408407498 |
| 22 | 10539086474 |
| 23 | 20109317083 |
| 24 | 37617526854 |
| 25 | 69067009601 |
| 26 | 124590363723 |
[5,12,65,291,1229,4795,17186,57060,177629,522893, 1463248,3907906,9995404,24562967,58167281, 133102296,295046074,635009083,1329686297, 2713960089,5408407498,10539086474,20109317083, 37617526854,69067009601,124590363723] |