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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 38 |
| 3 | 94 |
| 4 | 254 |
| 5 | 682 |
| 6 | 1878 |
| 7 | 5214 |
| 8 | 14606 |
| 9 | 41138 |
| 10 | 116350 |
| 11 | 330046 |
| 12 | 938174 |
| 13 | 2670826 |
| 14 | 7611430 |
| 15 | 21707790 |
| 16 | 61943694 |
| 17 | 176825074 |
| 18 | 504902766 |
| 19 | 1441965358 |
| 20 | 4118707422 |
| 21 | 11765461418 |
| 22 | 33611411190 |
| 23 | 96025298558 |
| 24 | 274346613774 |
| 25 | 783834214130 |
[14,38,94,254,682,1878,5214,14606,41138,116350, 330046,938174,2670826,7611430,21707790,61943694, 176825074,504902766,1441965358,4118707422, 11765461418,33611411190,96025298558,274346613774, 783834214130] |