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| n | a(n) |
|---|---|
| 1 | 57 |
| 2 | 1145 |
| 3 | 8417 |
| 4 | 29121 |
| 5 | 80345 |
| 6 | 167105 |
| 7 | 333297 |
| 8 | 570969 |
| 9 | 939113 |
| 10 | 1441153 |
| 11 | 2153937 |
| 12 | 3029913 |
| 13 | 4262929 |
| 14 | 5741473 |
| 15 | 7606745 |
| 16 | 9876585 |
| 17 | 12690553 |
| 18 | 15921777 |
| 19 | 19922289 |
| 20 | 24430633 |
| 21 | 29834073 |
| 22 | 35990065 |
| 23 | 43151521 |
| 24 | 51068689 |
[57,1145,8417,29121,80345,167105,333297,570969, 939113,1441153,2153937,3029913,4262929,5741473, 7606745,9876585,12690553,15921777,19922289, 24430633,29834073,35990065,43151521,51068689] |