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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 35 |
| 3 | 37 |
| 4 | 124 |
| 5 | 461 |
| 6 | 949 |
| 7 | 2792 |
| 8 | 10838 |
| 9 | 31286 |
| 10 | 102740 |
| 11 | 377657 |
| 12 | 1285470 |
| 13 | 4523630 |
| 14 | 16494893 |
| 15 | 59221296 |
| 16 | 214677488 |
| 17 | 785520010 |
| 18 | 2868338992 |
| 19 | 10505555278 |
| 20 | 38572905642 |
| 21 | 141632778198 |
| 22 | 520593744190 |
| 23 | 1914834430000 |
| 24 | 7044479831512 |
[8,35,37,124,461,949,2792,10838,31286,102740, 377657,1285470,4523630,16494893,59221296, 214677488,785520010,2868338992,10505555278, 38572905642,141632778198,520593744190, 1914834430000,7044479831512] |