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A261997 as a simple table

n a(n)
1 0
2 3
3 107
4 4951
5 39916141
6 6227015357
7 355687428046967
8 121645100408347963
9 25852016738884971417571
10 8841761993739701954543554805353
11 8222838654177922817725562105174617 

[0,3,107,4951,39916141,6227015357,355687428046967,
 121645100408347963,25852016738884971417571,
 8841761993739701954543554805353,
 8222838654177922817725562105174617]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)