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| n | a(n) |
|---|---|
| 1 | 257 |
| 2 | 1087 |
| 3 | 9985 |
| 4 | 44729 |
| 5 | 215037 |
| 6 | 321383 |
| 7 | 1399041 |
| 8 | 2045480 |
| 9 | 4026041 |
| 10 | 4462239 |
| 11 | 11268009 |
| 12 | 13305698 |
| 13 | 20522668 |
| 14 | 21502576 |
| 15 | 42733327 |
| 16 | 46956630 |
| 17 | 64753373 |
| 18 | 66493567 |
| 19 | 115073779 |
| 20 | 122276808 |
| 21 | 157921612 |
| 22 | 160638668 |
| 23 | 253728085 |
| 24 | 264704952 |
| 25 | 327391225 |
[257,1087,9985,44729,215037,321383,1399041, 2045480,4026041,4462239,11268009,13305698, 20522668,21502576,42733327,46956630,64753373, 66493567,115073779,122276808,157921612,160638668, 253728085,264704952,327391225] |