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| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | 343 |
| 3 | 1528 |
| 4 | 4917 |
| 5 | 12890 |
| 6 | 29325 |
| 7 | 60112 |
| 8 | 113745 |
| 9 | 201994 |
| 10 | 340659 |
| 11 | 550408 |
| 12 | 857701 |
| 13 | 1295802 |
| 14 | 1905881 |
| 15 | 2738208 |
| 16 | 3853441 |
| 17 | 5324010 |
| 18 | 7235599 |
| 19 | 9688728 |
| 20 | 12800437 |
| 21 | 16706074 |
| 22 | 21561189 |
| 23 | 27543536 |
| 24 | 34855185 |
| 25 | 43724746 |
| 26 | 54409707 |
| 27 | 67198888 |
| 28 | 82415013 |
[42,343,1528,4917,12890,29325,60112,113745,201994, 340659,550408,857701,1295802,1905881,2738208, 3853441,5324010,7235599,9688728,12800437,16706074, 21561189,27543536,34855185,43724746,54409707, 67198888,82415013] |