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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 58 |
| 4 | 473 |
| 5 | 4626 |
| 6 | 52537 |
| 7 | 677594 |
| 8 | 9762993 |
| 9 | 155175778 |
| 10 | 2693718281 |
| 11 | 50657791482 |
| 12 | 1025158123849 |
| 13 | 22198908725618 |
| 14 | 511885585833273 |
| 15 | 12517101011344666 |
| 16 | 323402336324055137 |
| 17 | 8800318580852865474 |
| 18 | 251497162228635927433 |
| 19 | 7529081846683064675258 |
[1,2,9,58,473,4626,52537,677594,9762993,155175778, 2693718281,50657791482,1025158123849, 22198908725618,511885585833273,12517101011344666, 323402336324055137,8800318580852865474, 251497162228635927433,7529081846683064675258] |