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A210543 as a simple table

na(n)
11
21
31
41
51
61
72
84
98
1016
1132
1264
13129
14267
15582
161364
173454
189338
1926429
2076929
21227579
22680113
232050000
246242818
2519284165
2660754153
27196341570
28654012814
292251195713
308005274899
3129325473071
32110181281435
33422565983725

[1,1,1,1,1,1,2,4,8,16,32,64,129,267,582,1364,3454,
 9338,26429,76929,227579,680113,2050000,6242818,
 19284165,60754153,196341570,654012814,2251195713,
 8005274899,29325473071,110181281435,422565983725]