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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 16 |
| 6 | 42 |
| 7 | 99 |
| 8 | 176 |
| 9 | 352 |
| 10 | 540 |
| 11 | 925 |
| 12 | 1152 |
| 13 | 2016 |
| 14 | 2534 |
| 15 | 3871 |
| 16 | 4608 |
| 17 | 6784 |
| 18 | 6984 |
| 19 | 11097 |
| 20 | 12580 |
| 21 | 17200 |
| 22 | 19250 |
| 23 | 25531 |
| 24 | 26016 |
| 25 | 36576 |
| 26 | 39988 |
| 27 | 50869 |
| 28 | 55076 |
| 29 | 68992 |
| 30 | 63570 |
| 31 | 91575 |
| 32 | 97920 |
| 33 | 119296 |
| 34 | 127024 |
| 35 | 152881 |
| 36 | 155088 |
| 37 | 193104 |
| 38 | 203946 |
| 39 | 240787 |
| 40 | 253360 |
| 41 | 296800 |
| 42 | 289044 |
| 43 | 362061 |
| 44 | 378884 |
| 45 | 437536 |
| 46 | 456918 |
[0,0,1,4,16,42,99,176,352,540,925,1152,2016,2534, 3871,4608,6784,6984,11097,12580,17200,19250,25531, 26016,36576,39988,50869,55076,68992,63570,91575, 97920,119296,127024,152881,155088,193104,203946, 240787,253360,296800,289044,362061,378884,437536, 456918] |