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| n | a(n) |
|---|---|
| 1 | 21024 |
| 2 | 27554 |
| 3 | 36244 |
| 4 | 48846 |
| 5 | 79324 |
| 6 | 133850 |
| 7 | 242784 |
| 8 | 526226 |
| 9 | 1196428 |
| 10 | 2877078 |
| 11 | 7542964 |
| 12 | 20219426 |
| 13 | 55452024 |
| 14 | 157207034 |
| 15 | 449767204 |
| 16 | 1298801406 |
| 17 | 3801296524 |
| 18 | 11170281290 |
| 19 | 32957815824 |
| 20 | 97800035426 |
| 21 | 290736856828 |
| 22 | 865851794598 |
[21024,27554,36244,48846,79324,133850,242784, 526226,1196428,2877078,7542964,20219426,55452024, 157207034,449767204,1298801406,3801296524, 11170281290,32957815824,97800035426,290736856828, 865851794598] |