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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 144 |
| 2 | 1008 |
| 3 | 4032 |
| 4 | 12096 |
| 5 | 30240 |
| 6 | 66528 |
| 7 | 133056 |
| 8 | 247104 |
| 9 | 432432 |
| 10 | 720720 |
| 11 | 1153152 |
| 12 | 1782144 |
| 13 | 2673216 |
| 14 | 3907008 |
| 15 | 5581440 |
| 16 | 7814016 |
| 17 | 10744272 |
| 18 | 14536368 |
| 19 | 19381824 |
| 20 | 25502400 |
| 21 | 33153120 |
| 22 | 42625440 |
| 23 | 54250560 |
| 24 | 68402880 |
| 25 | 85503600 |
| 26 | 106024464 |
| 27 | 130491648 |
| 28 | 159489792 |
| 29 | 193666176 |
[0,144,1008,4032,12096,30240,66528,133056,247104, 432432,720720,1153152,1782144,2673216,3907008, 5581440,7814016,10744272,14536368,19381824, 25502400,33153120,42625440,54250560,68402880, 85503600,106024464,130491648,159489792,193666176] |