The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 14 |
| 1 | 27 |
| 2 | 53 |
| 3 | 105 |
| 4 | 209 |
| 5 | 417 |
| 6 | 833 |
| 7 | 1665 |
| 8 | 3329 |
| 9 | 6657 |
| 10 | 13313 |
| 11 | 26625 |
| 12 | 53249 |
| 13 | 106497 |
| 14 | 212993 |
| 15 | 425985 |
| 16 | 851969 |
| 17 | 1703937 |
| 18 | 3407873 |
| 19 | 6815745 |
| 20 | 13631489 |
| 21 | 27262977 |
| 22 | 54525953 |
| 23 | 109051905 |
| 24 | 218103809 |
| 25 | 436207617 |
| 26 | 872415233 |
| 27 | 1744830465 |
| 28 | 3489660929 |
[14,27,53,105,209,417,833,1665,3329,6657,13313, 26625,53249,106497,212993,425985,851969,1703937, 3407873,6815745,13631489,27262977,54525953, 109051905,218103809,436207617,872415233, 1744830465,3489660929] |