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A056697 as a simple table

na(n)
12
22
32
43
54
65
729
841
955
1071
11791
12791
131079
141079
151079
1630239
17246960
18246960
19636481
20636481
211360800
222162161
232162161
242162161
2539412801
2639412801
27107881201
28107881201
293625549201
303625549201
313625549201
32170918748000
33170918748000
34170918748000
35170918748000
36170918748000
372355997644001

[2,2,2,3,4,5,29,41,55,71,791,791,1079,1079,1079,
 30239,246960,246960,636481,636481,1360800,2162161,
 2162161,2162161,39412801,39412801,107881201,
 107881201,3625549201,3625549201,3625549201,
 170918748000,170918748000,170918748000,
 170918748000,170918748000,2355997644001]