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A206528 as a simple table

na(n)
011
155
22525
3125125
4625625
531253125
61562515625
77812578125
8390625390625
919531251953125
1097656259765625
114882812548828125
12244140625244140625
1312207031251220703125
1461035156256103515625
153051757812530517578125
16152587890625152587890625

[11,55,2525,125125,625625,31253125,1562515625,
 7812578125,390625390625,19531251953125,
 97656259765625,4882812548828125,
 244140625244140625,12207031251220703125,
 61035156256103515625,3051757812530517578125,
 152587890625152587890625]