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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 22 |
| 3 | 370 |
| 4 | 15787 |
| 5 | 1744278 |
| 6 | 506797346 |
| 7 | 390682215445 |
| 8 | 803734397655348 |
| 9 | 4430313100526836693 |
| 10 | 65618063552490194383194 |
| 11 | 2616897361902846669558232538 |
| 12 | 281455127862349591601857362987344 |
| 13 | 81737217988908649002650313009555641847 |
| 14 | 64155724364921456082725604130103414484969173 |
[1,3,22,370,15787,1744278,506797346,390682215445, 803734397655348,4430313100526836693, 65618063552490194383194, 2616897361902846669558232538, 281455127862349591601857362987344, 81737217988908649002650313009555641847, 64155724364921456082725604130103414484969173] |