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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 49 |
| 3 | 171 |
| 4 | 597 |
| 5 | 2084 |
| 6 | 7275 |
| 7 | 25396 |
| 8 | 88654 |
| 9 | 309479 |
| 10 | 1080349 |
| 11 | 3771351 |
| 12 | 13165272 |
| 13 | 45958169 |
| 14 | 160433700 |
| 15 | 560052166 |
| 16 | 1955065729 |
| 17 | 6824867819 |
| 18 | 23824682749 |
| 19 | 83168718156 |
| 20 | 290330652147 |
| 21 | 1013504710004 |
| 22 | 3538006716150 |
| 23 | 12350698916311 |
[14,49,171,597,2084,7275,25396,88654,309479, 1080349,3771351,13165272,45958169,160433700, 560052166,1955065729,6824867819,23824682749, 83168718156,290330652147,1013504710004, 3538006716150,12350698916311] |