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 | 1 |
| 2 | 3 |
| 3 | 11 |
| 4 | 23 |
| 5 | 51 |
| 6 | 103 |
| 7 | 211 |
| 8 | 423 |
| 9 | 851 |
| 10 | 1703 |
| 11 | 3411 |
| 12 | 6823 |
| 13 | 13651 |
| 14 | 27303 |
| 15 | 54611 |
| 16 | 109223 |
| 17 | 218451 |
| 18 | 436903 |
| 19 | 873811 |
| 20 | 1747623 |
| 21 | 3495251 |
| 22 | 6990503 |
| 23 | 13981011 |
| 24 | 27962023 |
| 25 | 55924051 |
| 26 | 111848103 |
| 27 | 223696211 |
| 28 | 447392423 |
| 29 | 894784851 |
| 30 | 1789569703 |
| 31 | 3579139411 |
[1,3,11,23,51,103,211,423,851,1703,3411,6823, 13651,27303,54611,109223,218451,436903,873811, 1747623,3495251,6990503,13981011,27962023, 55924051,111848103,223696211,447392423,894784851, 1789569703,3579139411] |