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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 24 |
| 3 | 7 |
| 4 | 23 |
| 5 | 34 |
| 6 | 61 |
| 7 | 105 |
| 8 | 222 |
| 9 | 428 |
| 10 | 948 |
| 11 | 1975 |
| 12 | 4162 |
| 13 | 8801 |
| 14 | 18972 |
| 15 | 40777 |
| 16 | 87274 |
| 17 | 186628 |
| 18 | 400752 |
| 19 | 861195 |
| 20 | 1848299 |
| 21 | 3966219 |
| 22 | 8516004 |
| 23 | 18291312 |
| 24 | 39275134 |
| 25 | 84334723 |
| 26 | 181112426 |
| 27 | 388976228 |
| 28 | 835341271 |
| 29 | 1793949896 |
| 30 | 3852795878 |
| 31 | 8274644467 |
[1,24,7,23,34,61,105,222,428,948,1975,4162,8801, 18972,40777,87274,186628,400752,861195,1848299, 3966219,8516004,18291312,39275134,84334723, 181112426,388976228,835341271,1793949896, 3852795878,8274644467] |