The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 17 |
| 3 | 19 |
| 4 | 70 |
| 5 | 134 |
| 6 | 360 |
| 7 | 964 |
| 8 | 2805 |
| 9 | 8207 |
| 10 | 24747 |
| 11 | 77226 |
| 12 | 241685 |
| 13 | 759584 |
| 14 | 2416011 |
| 15 | 7719948 |
| 16 | 24722213 |
| 17 | 79338163 |
| 18 | 255258059 |
| 19 | 822455126 |
| 20 | 2651969050 |
| 21 | 8558214320 |
| 22 | 27638113884 |
| 23 | 89293362591 |
| 24 | 288580383107 |
| 25 | 932903497169 |
| 26 | 3016487687932 |
[5,17,19,70,134,360,964,2805,8207,24747,77226, 241685,759584,2416011,7719948,24722213,79338163, 255258059,822455126,2651969050,8558214320, 27638113884,89293362591,288580383107,932903497169, 3016487687932] |