A263155 - OEIS

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A263155 as a simple table

n	a(n)
1	4345200
2	245494656
3	13895461376
4	818220821498
5	46999429421814
6	2667613654543478
7	149379294213832624
8	8365622828874611456

[4345200,245494656,13895461376,818220821498, 46999429421814,2667613654543478, 149379294213832624,8365622828874611456]