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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 17 |
| 3 | 23 |
| 4 | 46 |
| 5 | 185 |
| 6 | 497 |
| 7 | 1357 |
| 8 | 4207 |
| 9 | 12167 |
| 10 | 34473 |
| 11 | 102325 |
| 12 | 299504 |
| 13 | 863917 |
| 14 | 2529911 |
| 15 | 7401255 |
| 16 | 21512919 |
| 17 | 62790998 |
| 18 | 183429084 |
| 19 | 534568781 |
| 20 | 1559375192 |
| 21 | 4551720900 |
| 22 | 13275818353 |
| 23 | 38726475676 |
| 24 | 113002176247 |
| 25 | 329660705673 |
| 26 | 961703508351 |
[5,17,23,46,185,497,1357,4207,12167,34473,102325, 299504,863917,2529911,7401255,21512919,62790998, 183429084,534568781,1559375192,4551720900, 13275818353,38726475676,113002176247,329660705673, 961703508351] |