| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 2 |
| 2 | 2 |
| 3 | 12 |
| 4 | 6 |
| 5 | 16 |
| 6 | 24 |
| 7 | 80 |
| 8 | 84 |
| 9 | 320 |
| 10 | 360 |
| 11 | 864 |
| 12 | 1320 |
| 13 | 5456 |
| 14 | 5184 |
| 15 | 15744 |
| 16 | 19800 |
| 17 | 52800 |
| 18 | 69120 |
| 19 | 349520 |
| 20 | 370080 |
| 21 | 1036800 |
| 22 | 1425600 |
| 23 | 3640896 |
| 24 | 4741632 |
| 25 | 13989888 |
| 26 | 27091584 |
| 27 | 76743040 |
| 28 | 94656000 |
| 29 | 166387200 |
| 30 | 412473600 |
| 31 | 1407389952 |
| 32 | 1420488192 |
| 33 | 3459760128 |
| 34 | 6502788864 |
| 35 | 14778408960 |
[2,2,2,12,6,16,24,80,84,320,360,864,1320,5456, 5184,15744,19800,52800,69120,349520,370080, 1036800,1425600,3640896,4741632,13989888,27091584, 76743040,94656000,166387200,412473600,1407389952, 1420488192,3459760128,6502788864,14778408960] |