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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 46 |
| 4 | 84470 |
| 5 | 7836768774 |
| 6 | 111637426468007816673 |
| 7 | 18377723971053623293360226188141572351337 |
| 8 | 2902145148756556061845444386260272229677002976838809415638849928741267278515507977 |
[3,7,46,84470,7836768774,111637426468007816673, 18377723971053623293360226188141572351337, 29021451487565560618454443862602722296770029768388\ 09415638849928741267278515507977] |