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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 395 |
| 3 | 2048 |
| 4 | 9413 |
| 5 | 30848 |
| 6 | 84259 |
| 7 | 327280 |
| 8 | 927933 |
| 9 | 2218330 |
| 10 | 4856401 |
| 11 | 9870394 |
| 12 | 18799941 |
| 13 | 33418518 |
| 14 | 60376157 |
| 15 | 101332866 |
| 16 | 160591931 |
| 17 | 243239262 |
| 18 | 356280941 |
| 19 | 508295978 |
| 20 | 710618847 |
| 21 | 1005733286 |
| 22 | 1392582051 |
| 23 | 1890405640 |
| 24 | 2522890549 |
[2,395,2048,9413,30848,84259,327280,927933, 2218330,4856401,9870394,18799941,33418518, 60376157,101332866,160591931,243239262,356280941, 508295978,710618847,1005733286,1392582051, 1890405640,2522890549] |