A013865 - OEIS

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A013865 as a simple table

n	a(n)
0	20736
1	5159780352
2	1283918464548864
3	319479999370622926848
4	79496847203390844133441536
5	19781359483314150527412524285952
6	4922235242952026704037113243122008064
7	1224809639974238708818962962512535510581248

[20736,5159780352,1283918464548864, 319479999370622926848,79496847203390844133441536, 19781359483314150527412524285952, 4922235242952026704037113243122008064, 1224809639974238708818962962512535510581248]