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A330089 as a simple table
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 22 |
| 3 | 148 |
| 4 | 472 |
| 5 | 2632 |
| 6 | 14944 |
| 7 | 25312 |
| 8 | 349312 |
| 9 | 1645312 |
| 10 | 16274560 |
| 11 | 27565312 |
| 12 | 163240960 |
| 13 | 1637104000 |
| 14 | 17758898176 |
| 15 | 36261548032 |
| 16 | 18847289344 |
| 17 | 1280655450112 |
| 18 | 5778613350400 |
| 19 | 42629361516544 |
| 20 | 219654008209408 |
| 21 | 137946306445312 |
| 22 | 4629754071040000 |
| 23 | 53702255633760256 |
| 24 | 9828354353004544 |
| 25 | 404693465879805952 |
[7,22,148,472,2632,14944,25312,349312,1645312, 16274560,27565312,163240960,1637104000, 17758898176,36261548032,18847289344,1280655450112, 5778613350400,42629361516544,219654008209408, 137946306445312,4629754071040000, 53702255633760256,9828354353004544, 404693465879805952] |