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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 | 3 |
| 2 | 5 |
| 3 | 17 |
| 4 | 61 |
| 5 | 245 |
| 6 | 1021 |
| 7 | 4405 |
| 8 | 19453 |
| 9 | 87589 |
| 10 | 400541 |
| 11 | 1855493 |
| 12 | 8689213 |
| 13 | 41068965 |
| 14 | 195659357 |
| 15 | 938623045 |
| 16 | 4530198013 |
| 17 | 21982331237 |
| 18 | 107178047773 |
| 19 | 524805028357 |
| 20 | 2579684059581 |
| 21 | 12724878633765 |
| 22 | 62968424313821 |
| 23 | 312503657989317 |
[1,3,5,17,61,245,1021,4405,19453,87589,400541, 1855493,8689213,41068965,195659357,938623045, 4530198013,21982331237,107178047773,524805028357, 2579684059581,12724878633765,62968424313821, 312503657989317] |