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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 10 |
| 3 | 10 |
| 4 | 34 |
| 5 | 106 |
| 6 | 322 |
| 7 | 970 |
| 8 | 2914 |
| 9 | 8746 |
| 10 | 26242 |
| 11 | 78730 |
| 12 | 236194 |
| 13 | 708586 |
| 14 | 2125762 |
| 15 | 6377290 |
| 16 | 19131874 |
| 17 | 57395626 |
| 18 | 172186882 |
| 19 | 516560650 |
| 20 | 1549681954 |
| 21 | 4649045866 |
| 22 | 13947137602 |
| 23 | 41841412810 |
| 24 | 125524238434 |
| 25 | 376572715306 |
| 26 | 1129718145922 |
[7,10,10,34,106,322,970,2914,8746,26242,78730, 236194,708586,2125762,6377290,19131874,57395626, 172186882,516560650,1549681954,4649045866, 13947137602,41841412810,125524238434,376572715306, 1129718145922] |