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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 17 |
| 3 | 1459 |
| 4 | 395793 |
| 5 | 262131251 |
| 6 | 359993423843 |
| 7 | 915919888063853 |
| 8 | 3975467425523532305 |
| 9 | 27639424688447366285203 |
| 10 | 292886774320942590679779267 |
| 11 | 4544030770812055230064359134573 |
| 12 | 99847457331663057820508375752459491 |
| 13 | 3021907600842518917755426740899056448141 |
[1,1,17,1459,395793,262131251,359993423843, 915919888063853,3975467425523532305, 27639424688447366285203, 292886774320942590679779267, 4544030770812055230064359134573, 99847457331663057820508375752459491, 3021907600842518917755426740899056448141] |