A283521 - OEIS

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A283521 as a simple table

n	a(n)
1	0
2	703
3	241796
4	34279720
5	4331276717
6	510843580504
7	56913176714906
8	6121670820777639
9	641300961433598943
10	65816441365940780452
11	6645264195595547215366
12	662013827914324498953906

[0,703,241796,34279720,4331276717,510843580504, 56913176714906,6121670820777639, 641300961433598943,65816441365940780452, 6645264195595547215366,662013827914324498953906]