The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 34 |
| 1 | 89 |
| 2 | 212 |
| 3 | 445 |
| 4 | 890 |
| 5 | 1712 |
| 6 | 3212 |
| 7 | 5911 |
| 8 | 10720 |
| 9 | 19215 |
| 10 | 34116 |
| 11 | 60096 |
| 12 | 105158 |
| 13 | 182965 |
| 14 | 316780 |
| 15 | 546113 |
| 16 | 937918 |
| 17 | 1605424 |
| 18 | 2739760 |
| 19 | 4662995 |
| 20 | 7916984 |
| 21 | 13412019 |
| 22 | 22675272 |
| 23 | 38265600 |
| 24 | 64465450 |
| 25 | 108433937 |
[34,89,212,445,890,1712,3212,5911,10720,19215, 34116,60096,105158,182965,316780,546113,937918, 1605424,2739760,4662995,7916984,13412019,22675272, 38265600,64465450,108433937] |