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A176190 as a simple table

na(n)
01
12
22
34
416
54
68
7343
8343
98
1016
1114641
12194481
1314641
1416
1532
161048576
17345025251
18345025251
191048576
2032
2164
22113379904
231418519112256
2429721861554176
251418519112256
26113379904
2764
28128
2917249876309
3011514990476898413

[1,2,2,4,16,4,8,343,343,8,16,14641,194481,14641,
 16,32,1048576,345025251,345025251,1048576,32,64,
 113379904,1418519112256,29721861554176,
 1418519112256,113379904,64,128,17249876309,
 11514990476898413]