A263038 - OEIS

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A263038 as a simple table

n	a(n)
1	839216
2	174159952
3	49018256112
4	11717714846408
5	2390537108662112
6	487724113265492752
7	101460868472471077008
8	20901286904037554662376
9	4263862443275254696179104
10	869828576175660687522350416

[839216,174159952,49018256112,11717714846408, 2390537108662112,487724113265492752, 101460868472471077008,20901286904037554662376, 4263862443275254696179104, 869828576175660687522350416]