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A258371 as a simple table

na(n)
11
22
34
43
554
627
74
8408
91152
10256
115
122500
1322500
1425000
153125
166
1713830
18315900
19988200
20583200
2146656
227
2372030
243709545
2525882780
2640588905
2714823774
28823543
298
30360304
3139024384
32535754240
331766195200
341657012224
35411041792
3616777216

[1,2,4,3,54,27,4,408,1152,256,5,2500,22500,25000,
 3125,6,13830,315900,988200,583200,46656,7,72030,
 3709545,25882780,40588905,14823774,823543,8,
 360304,39024384,535754240,1766195200,1657012224,
 411041792,16777216]