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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 | 26 |
| 2 | 403 |
| 3 | 4706 |
| 4 | 45539 |
| 5 | 383630 |
| 6 | 2899936 |
| 7 | 20071012 |
| 8 | 129029953 |
| 9 | 778729224 |
| 10 | 4448625272 |
| 11 | 24212010550 |
| 12 | 126207077867 |
| 13 | 632795395052 |
| 14 | 3062954205181 |
| 15 | 14356406110410 |
| 16 | 65330892459924 |
| 17 | 289297563109646 |
[1,26,403,4706,45539,383630,2899936,20071012, 129029953,778729224,4448625272,24212010550, 126207077867,632795395052,3062954205181, 14356406110410,65330892459924,289297563109646] |