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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 6 |
| 2 | 12 |
| 3 | 24 |
| 4 | 39 |
| 5 | 84 |
| 6 | 69 |
| 7 | 75 |
| 8 | 213 |
| 9 | 1092 |
| 10 | 249 |
| 11 | 1131 |
| 12 | 8736 |
| 13 | 13413 |
| 14 | 21201 |
| 15 | 1275 |
| 16 | 2193 |
| 17 | 279552 |
| 18 | 98337 |
| 19 | 968727 |
| 20 | 71085 |
| 21 | 2783555 |
| 22 | 646869 |
| 23 | 3145959 |
| 24 | 1805781 |
| 25 | 5798435 |
| 26 | 787605 |
| 27 | 27962075 |
| 28 | 2073033 |
| 29 | 282181709 |
| 30 | 1150329 |
| 31 | 10380353 |
| 32 | 516201 |
| 33 | 150807855 |
| 34 | 141521295 |
| 35 | 860867981 |
[0,6,12,24,39,84,69,75,213,1092,249,1131,8736, 13413,21201,1275,2193,279552,98337,968727,71085, 2783555,646869,3145959,1805781,5798435,787605, 27962075,2073033,282181709,1150329,10380353, 516201,150807855,141521295,860867981] |