A106206 - OEIS

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A106206 as a simple table

n	a(n)
0	1
1	6
2	-414
3	38916
4	-4144554
5	472479156
6	-56225019564
7	6891580969416
8	-863170516419354
9	109910379090731076
10	-14178438902704308804
11	1848352853316179893176
12	-243058400211077655952644

[1,6,-414,38916,-4144554,472479156,-56225019564, 6891580969416,-863170516419354,109910379090731076, -14178438902704308804,1848352853316179893176, -243058400211077655952644]