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| n | a(n) |
|---|---|
| 1 | 36 |
| 2 | 154 |
| 3 | 476 |
| 4 | 1312 |
| 5 | 3520 |
| 6 | 9400 |
| 7 | 25068 |
| 8 | 68180 |
| 9 | 185416 |
| 10 | 516528 |
| 11 | 1433876 |
| 12 | 4074308 |
| 13 | 11493872 |
| 14 | 33137744 |
| 15 | 94574204 |
| 16 | 275489652 |
| 17 | 792675160 |
| 18 | 2325832112 |
| 19 | 6730524532 |
| 20 | 19849806372 |
| 21 | 57673005088 |
| 22 | 170710336128 |
| 23 | 497407980332 |
| 24 | 1476146725844 |
[36,154,476,1312,3520,9400,25068,68180,185416, 516528,1433876,4074308,11493872,33137744,94574204, 275489652,792675160,2325832112,6730524532, 19849806372,57673005088,170710336128,497407980332, 1476146725844] |