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A317231 as a simple table

na(n)
00
11
28
37
459
547
6369
7247
81469
9247
101469
11147
1213569
1317
14135689
152
161355780
171
1812446689
190
2012446689
211

[0,1,8,7,59,47,369,247,1469,247,1469,147,13569,17,
 135689,2,1355780,1,12446689,0,12446689,1]