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A272925 as a simple table

na(n)
01
18
241
3181
4756
53121
612793
751845
8209093
9840557
103372677
1113519197
1254152373
13216828845
14867920933
153473494397

[1,8,41,181,756,3121,12793,51845,209093,840557,
 3372677,13519197,54152373,216828845,867920933,
 3473494397]