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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 9 |
| 3 | 25 |
| 4 | 49 |
| 5 | 121 |
| 6 | 403 |
| 7 | 1207 |
| 8 | 2701 |
| 9 | 7663 |
| 10 | 10201 |
| 11 | 17161 |
| 12 | 22801 |
| 13 | 32761 |
| 14 | 35143 |
| 15 | 36481 |
| 16 | 75007 |
| 17 | 97969 |
| 18 | 117907 |
| 19 | 124609 |
| 20 | 127087 |
| 21 | 139129 |
| 22 | 140209 |
| 23 | 146689 |
| 24 | 173809 |
| 25 | 197209 |
| 26 | 247021 |
| 27 | 257821 |
| 28 | 342127 |
| 29 | 382387 |
| 30 | 528529 |
| 31 | 573049 |
| 32 | 619369 |
| 33 | 635209 |
| 34 | 643063 |
| 35 | 692443 |
| 36 | 743623 |
| 37 | 844561 |
| 38 | 863041 |
[4,9,25,49,121,403,1207,2701,7663,10201,17161, 22801,32761,35143,36481,75007,97969,117907,124609, 127087,139129,140209,146689,173809,197209,247021, 257821,342127,382387,528529,573049,619369,635209, 643063,692443,743623,844561,863041] |