A276490 - OEIS

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A276490 as a simple table

n	a(n)
0	0
1	1
2	6
3	543
4	3323092
5	3617739047205
6	1300400946990709367556
7	243871405119475828112307128378587
8	34439765790040491446227712415465752285191304328
9	4981962825852754222934017283812757768035873070500785373442371593

[0,1,6,543,3323092,3617739047205, 1300400946990709367556, 243871405119475828112307128378587, 34439765790040491446227712415465752285191304328, 49819628258527542229340172838127577680358730705007\ 85373442371593]