A203753 - OEIS

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A203753 as a simple table

n	a(n)
1	1
2	1
3	36
4	144
5	21609
6	194481
7	65804544
8	1052872704
9	633623960025
10	15840599000625
11	14897346862777344
12	536304487059984384
13	726332080998489123249
14	35590271968925967039201
15	65608418035212856848285696

[1,1,36,144,21609,194481,65804544,1052872704, 633623960025,15840599000625,14897346862777344, 536304487059984384,726332080998489123249, 35590271968925967039201, 65608418035212856848285696]