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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 4 |
| 6 | 4 |
| 7 | 4 |
| 8 | 64 |
| 9 | 16 |
| 10 | 144 |
| 11 | 144 |
| 12 | 0 |
| 13 | 144 |
| 14 | 144 |
| 15 | 289 |
| 16 | 4356 |
| 17 | 2916 |
| 18 | 22500 |
| 19 | 79524 |
| 20 | 1887876 |
| 21 | 313600 |
| 22 | 3459600 |
| 23 | 2985984 |
| 24 | 50069776 |
| 25 | 32353344 |
| 26 | 2056803904 |
| 27 | 237591396 |
| 28 | 11713732900 |
| 29 | 10265337124 |
| 30 | 342040164964 |
| 31 | 30744816964 |
| 32 | 2507750953744 |
| 33 | 378640854244 |
| 34 | 53517915572836 |
| 35 | 7415600385600 |
| 36 | 230030730231696 |
[1,1,1,4,4,4,4,64,16,144,144,0,144,144,289,4356, 2916,22500,79524,1887876,313600,3459600,2985984, 50069776,32353344,2056803904,237591396, 11713732900,10265337124,342040164964,30744816964, 2507750953744,378640854244,53517915572836, 7415600385600,230030730231696] |