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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 25 |
| 3 | 532 |
| 4 | 29237 |
| 5 | 614312 |
| 6 | 33739857 |
| 7 | 708915900 |
| 8 | 38935766125 |
| 9 | 818088334672 |
| 10 | 44931840368777 |
| 11 | 944073229295972 |
| 12 | 51851304849802917 |
| 13 | 1089459688519217400 |
| 14 | 59836360864832197825 |
| 15 | 1257235536477947584012 |
| 16 | 69051108586711506487517 |
| 17 | 1450848719635862992732832 |
[0,25,532,29237,614312,33739857,708915900, 38935766125,818088334672,44931840368777, 944073229295972,51851304849802917, 1089459688519217400,59836360864832197825, 1257235536477947584012,69051108586711506487517, 1450848719635862992732832] |