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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 26 |
| 2 | 650 |
| 3 | 16250 |
| 4 | 406250 |
| 5 | 10156250 |
| 6 | 253906250 |
| 7 | 6347656250 |
| 8 | 158691405925 |
| 9 | 3967285140000 |
| 10 | 99182128297200 |
| 11 | 2479553202360000 |
| 12 | 61988829932250000 |
| 13 | 1549720745137500000 |
| 14 | 38743018549218750000 |
| 15 | 968575461750000000000 |
[1,26,650,16250,406250,10156250,253906250, 6347656250,158691405925,3967285140000, 99182128297200,2479553202360000,61988829932250000, 1549720745137500000,38743018549218750000, 968575461750000000000] |