A238070 - OEIS

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A238070 as a simple table

n	a(n)
1	2752364
2	135441648
3	4856507148
4	209604948500
5	9500262069216
6	448255641499780
7	21843683698746812
8	1042194882431525776
9	48770962468432839484
10	2345676546305872576508
11	114520857653130817383296

[2752364,135441648,4856507148,209604948500, 9500262069216,448255641499780,21843683698746812, 1042194882431525776,48770962468432839484, 2345676546305872576508,114520857653130817383296]