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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 12 |
| 4 | 24 |
| 5 | 48 |
| 6 | 96 |
| 7 | 168 |
| 8 | 264 |
| 9 | 456 |
| 10 | 720 |
| 11 | 1056 |
| 12 | 1656 |
| 13 | 2520 |
| 14 | 3600 |
| 15 | 5352 |
| 16 | 7944 |
| 17 | 11256 |
| 18 | 16248 |
| 19 | 23664 |
| 20 | 33432 |
| 21 | 47520 |
| 22 | 68232 |
| 23 | 96216 |
| 24 | 135696 |
| 25 | 192888 |
| 26 | 271488 |
| 27 | 381384 |
| 28 | 538464 |
| 29 | 756456 |
| 30 | 1060488 |
| 31 | 1490712 |
| 32 | 2090592 |
| 33 | 2927424 |
| 34 | 4103712 |
| 35 | 5746680 |
| 36 | 8040888 |
| 37 | 11252880 |
| 38 | 15739896 |
[1,4,12,24,48,96,168,264,456,720,1056,1656,2520, 3600,5352,7944,11256,16248,23664,33432,47520, 68232,96216,135696,192888,271488,381384,538464, 756456,1060488,1490712,2090592,2927424,4103712, 5746680,8040888,11252880,15739896] |