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| n | a(n) |
|---|---|
| 1 | 68 |
| 2 | 907 |
| 3 | 5264 |
| 4 | 20085 |
| 5 | 59396 |
| 6 | 147903 |
| 7 | 325312 |
| 8 | 651369 |
| 9 | 1211620 |
| 10 | 2123891 |
| 11 | 3545488 |
| 12 | 5681117 |
| 13 | 8791524 |
| 14 | 13202855 |
| 15 | 19316736 |
| 16 | 27621073 |
| 17 | 38701572 |
| 18 | 53253979 |
| 19 | 72097040 |
| 20 | 96186181 |
| 21 | 126627908 |
| 22 | 164694927 |
| 23 | 211841984 |
| 24 | 269722425 |
| 25 | 340205476 |
| 26 | 425394243 |
[68,907,5264,20085,59396,147903,325312,651369, 1211620,2123891,3545488,5681117,8791524,13202855, 19316736,27621073,38701572,53253979,72097040, 96186181,126627908,164694927,211841984,269722425, 340205476,425394243] |