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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 868588 |
| 3 | 1078331 |
| 4 | 4337790 |
| 5 | 4962337 |
| 6 | 6948906 |
| 7 | 13539754 |
| 8 | 30448177 |
| 9 | 32218557 |
| 10 | 39275297 |
| 11 | 41670729 |
| 12 | 52746284 |
| 13 | 61193646 |
| 14 | 81620584 |
| 15 | 108499172 |
| 16 | 118175956 |
| 17 | 157531734 |
| 18 | 198162240 |
| 19 | 206181306 |
| 20 | 208637331 |
| 21 | 252388467 |
| 22 | 258429278 |
| 23 | 273526639 |
| 24 | 305726202 |
| 25 | 316425865 |
| 26 | 383749862 |
[0,868588,1078331,4337790,4962337,6948906, 13539754,30448177,32218557,39275297,41670729, 52746284,61193646,81620584,108499172,118175956, 157531734,198162240,206181306,208637331,252388467, 258429278,273526639,305726202,316425865,383749862] |