A121275 - OEIS

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A121275 as a simple table

n	a(n)
1	4
2	49
3	1000
4	28561
5	1048576
6	47045881
7	2494357888
8	208827064576
9	14507145975869
10	1125899906842624
11	96549157373046875
12	9065737908494995456
13	925103102315013629321
14	101938319743841411792896

[4,49,1000,28561,1048576,47045881,2494357888, 208827064576,14507145975869,1125899906842624, 96549157373046875,9065737908494995456, 925103102315013629321,101938319743841411792896]