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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 29 |
| 2 | 535 |
| 3 | 8025 |
| 4 | 106911 |
| 5 | 1320249 |
| 6 | 15480655 |
| 7 | 174931625 |
| 8 | 1923680671 |
| 9 | 20725530969 |
| 10 | 219822814575 |
| 11 | 2303376354825 |
| 12 | 23907223188031 |
| 13 | 246285893877689 |
| 14 | 2522150397345295 |
| 15 | 25706911853867625 |
| 16 | 261029919360032991 |
[1,29,535,8025,106911,1320249,15480655,174931625, 1923680671,20725530969,219822814575,2303376354825, 23907223188031,246285893877689,2522150397345295, 25706911853867625,261029919360032991] |