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) |
|---|---|
| 1 | 16 |
| 2 | 42 |
| 3 | 76 |
| 4 | 148 |
| 5 | 393 |
| 6 | 1115 |
| 7 | 3321 |
| 8 | 10111 |
| 9 | 30943 |
| 10 | 95244 |
| 11 | 293401 |
| 12 | 904986 |
| 13 | 2792217 |
| 14 | 8617223 |
| 15 | 26597072 |
| 16 | 82096253 |
| 17 | 253412398 |
| 18 | 782236683 |
| 19 | 2414640760 |
| 20 | 7453642765 |
| 21 | 23008358869 |
| 22 | 71023687464 |
| 23 | 219240636280 |
| 24 | 676766784339 |
| 25 | 2089089700480 |
[16,42,76,148,393,1115,3321,10111,30943,95244, 293401,904986,2792217,8617223,26597072,82096253, 253412398,782236683,2414640760,7453642765, 23008358869,71023687464,219240636280,676766784339, 2089089700480] |