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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 37 |
| 3 | 12345679 |
| 4 | 4115226337448559670781893 |
| 5 | 1371742112482853223593964334705075445816186556927297668038408779149519890260631 |
[1,37,12345679,4115226337448559670781893, 13717421124828532235939643347050754458161865569272\ 97668038408779149519890260631] |