A172819 - OEIS

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A172819 as a simple table

n	a(n)
1	1
2	3139
3	19546975
4	171475190227
5	1511084106275011
6	15293664515956438501
7	171057032412324570540169
8	2057906511849020370326921875
9	26159597034338175244538552103907
10	347633505891623648387005776489399049

[1,3139,19546975,171475190227,1511084106275011, 15293664515956438501,171057032412324570540169, 2057906511849020370326921875, 26159597034338175244538552103907, 347633505891623648387005776489399049]