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| n | a(n) |
|---|---|
| 10 | 2126 |
| 11 | 18094 |
| 12 | 138568 |
| 13 | 1004762 |
| 14 | 7065186 |
| 15 | 48767474 |
| 16 | 332656900 |
| 17 | 2251145590 |
| 18 | 15147986104 |
| 19 | 101498413174 |
| 20 | 677767802220 |
| 21 | 4514436576522 |
| 22 | 30014218133762 |
| 23 | 199270720886422 |
| 24 | 1321592750970506 |
| 25 | 8757889640855800 |
| 26 | 58000722621872304 |
| 27 | 383941464541725814 |
| 28 | 2540655228539643752 |
[2126,18094,138568,1004762,7065186,48767474, 332656900,2251145590,15147986104,101498413174, 677767802220,4514436576522,30014218133762, 199270720886422,1321592750970506,8757889640855800, 58000722621872304,383941464541725814, 2540655228539643752] |