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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 70 |
| 2 | 3100 |
| 3 | 111160 |
| 4 | 3529456 |
| 5 | 103663840 |
| 6 | 2887307200 |
| 7 | 77450369920 |
| 8 | 2021488750336 |
| 9 | 51703366274560 |
| 10 | 1302470537804800 |
| 11 | 32436048076257280 |
| 12 | 800745898476630016 |
| 13 | 19636648385968660480 |
| 14 | 479101382689537638400 |
| 15 | 11643791435175823114240 |
| 16 | 282140675279022464106496 |
[1,70,3100,111160,3529456,103663840,2887307200, 77450369920,2021488750336,51703366274560, 1302470537804800,32436048076257280, 800745898476630016,19636648385968660480, 479101382689537638400,11643791435175823114240, 282140675279022464106496] |