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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 22 |
| 5 | 513 |
| 6 | 67685 |
| 7 | 37205801 |
| 8 | 74992370359 |
| 9 | 543437207831908 |
| 10 | 14224090440652751128 |
| 11 | 1355263603548588163939892 |
| 12 | 473629305416562052216063601182 |
| 13 | 611217587951920565260750675133929534 |
| 14 | 2929826971690847578421964010597063713803102 |
| 15 | 52431093582529289457516130655642218612938867242516 |
[1,3,22,513,67685,37205801,74992370359, 543437207831908,14224090440652751128, 1355263603548588163939892, 473629305416562052216063601182, 611217587951920565260750675133929534, 2929826971690847578421964010597063713803102, 52431093582529289457516130655642218612938867242516\ ] |