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| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 7 |
| 4 | 76 |
| 5 | 56 |
| 6 | 81 |
| 7 | 63 |
| 8 | 913 |
| 9 | 892 |
| 10 | 1969 |
| 11 | 4824 |
| 12 | 22855 |
| 13 | 16819 |
| 14 | 48922 |
| 15 | 170649 |
| 16 | 273216 |
| 17 | 607783 |
| 18 | 1204354 |
| 19 | 1910608 |
| 20 | 3433671 |
| 21 | 10104969 |
| 22 | 19546522 |
| 23 | 21424744 |
| 24 | 66961728 |
| 25 | 103366113 |
| 26 | 217458328 |
| 27 | 813832568 |
| 28 | 771821712 |
| 29 | 2370545332 |
| 30 | 4638470426 |
| 31 | 7190276806 |
| 32 | 9309810824 |
| 33 | 35730615937 |
[2,7,76,56,81,63,913,892,1969,4824,22855,16819, 48922,170649,273216,607783,1204354,1910608, 3433671,10104969,19546522,21424744,66961728, 103366113,217458328,813832568,771821712, 2370545332,4638470426,7190276806,9309810824, 35730615937] |