A221093 - OEIS

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A221093 as a simple table

n	a(n)
1	0
2	4096
3	4244238
4	18736955689
5	47632473997312
6	137999718103495689
7	376959882525471479946
8	1047276497234600613324304
9	2882029793367070337506842240

[0,4096,4244238,18736955689,47632473997312, 137999718103495689,376959882525471479946, 1047276497234600613324304, 2882029793367070337506842240]