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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 4 |
| 4 | 2 |
| 5 | 3418801 |
| 6 | 0 |
| 7 | 64 |
| 8 | 2 |
| 9 | 4 |
| 10 | 0 |
| 11 | 21611482313284249 |
| 12 | 0 |
| 13 | 38580382095460899155325996786287338133521 |
| 14 | 0 |
| 15 | 0 |
| 16 | 2 |
| 17 | 2908327322588596409721563830760333292497745890881 |
| 18 | 0 |
| 19 | 366742604046618684582110328334808145525757868881 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 264638735999480827156185738343112840094453729311824181089 |
[2,2,4,2,3418801,0,64,2,4,0,21611482313284249,0, 38580382095460899155325996786287338133521,0,0,2, 2908327322588596409721563830760333292497745890881, 0, 366742604046618684582110328334808145525757868881, 0,0,0, 26463873599948082715618573834311284009445372931182\ 4181089] |