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 | 3 |
| 3 | 7 |
| 4 | 13 |
| 5 | 21 |
| 6 | 31 |
| 7 | 43 |
| 8 | 57 |
| 9 | 73 |
| 10 | 91 |
| 11 | 111 |
| 12 | 133 |
| 13 | 157 |
| 14 | 183 |
| 15 | 211 |
| 16 | 241 |
| 17 | 273 |
| 18 | 307 |
| 19 | 343 |
| 20 | 381 |
| 21 | 421 |
[1,1,3,7,13,21,31,43,57,73,91,111,133,157,183,211, 241,273,307,343,381,421] |