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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | -1 |
| 2 | 0 |
| 3 | -16 |
| 4 | -27 |
| 5 | -120 |
| 6 | -81 |
| 7 | -128 |
| 8 | -485 |
| 9 | -1440 |
| 10 | -256 |
| 11 | -375 |
| 12 | -1248 |
| 13 | -3607 |
| 14 | -8160 |
| 15 | -625 |
| 16 | -864 |
| 17 | -2589 |
| 18 | -7264 |
| 19 | -16329 |
| 20 | -31200 |
| 21 | -1296 |
| 22 | -1715 |
| 23 | -4712 |
| 24 | -12843 |
| 25 | -28640 |
| 26 | -54611 |
| 27 | -93240 |
| 28 | -2401 |
| 29 | -3072 |
| 30 | -7845 |
| 31 | -20800 |
| 32 | -45993 |
| 33 | -87456 |
| 34 | -149197 |
| 35 | -235200 |
| 36 | -4096 |
| 37 | -5103 |
| 38 | -12240 |
| 39 | -31615 |
| 40 | -69312 |
| 41 | -131391 |
| 42 | -223888 |
| 43 | -352815 |
| 44 | -524160 |
[0,-1,0,-16,-27,-120,-81,-128,-485,-1440,-256, -375,-1248,-3607,-8160,-625,-864,-2589,-7264, -16329,-31200,-1296,-1715,-4712,-12843,-28640, -54611,-93240,-2401,-3072,-7845,-20800,-45993, -87456,-149197,-235200,-4096,-5103,-12240,-31615, -69312,-131391,-223888,-352815,-524160] |