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A152253 as a simple table

na(n)
11
21
31
41
51
64
71
82
99
1026
111
123
1325
14182
15612
161
174
1849
192058
2026169
2165536
221
234
24121
2510148
262964452
2743046721
2844503251
291
305
31169
3286491
3366831598
34152587890625
351325604901966
36261120709453
371
385
39289
40190948
414390610003
4233232930569601

[1,1,1,1,1,4,1,2,9,26,1,3,25,182,612,1,4,49,2058,
 26169,65536,1,4,121,10148,2964452,43046721,
 44503251,1,5,169,86491,66831598,152587890625,
 1325604901966,261120709453,1,5,289,190948,
 4390610003,33232930569601]