The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 13 |
| 3 | 588 |
| 4 | 53089 |
| 5 | 7431069 |
| 6 | 1432812535 |
| 7 | 354709605775 |
| 8 | 107681683621061 |
| 9 | 38815870525676822 |
| 10 | 16224696168627992214 |
| 11 | 7722681288635179285337 |
| 12 | 4126484069454572889453794 |
| 13 | 2446850787696893234909546422 |
| 14 | 1594892857383186062141424302309 |
[1,1,13,588,53089,7431069,1432812535,354709605775, 107681683621061,38815870525676822, 16224696168627992214,7722681288635179285337, 4126484069454572889453794, 2446850787696893234909546422, 1594892857383186062141424302309] |