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A172994 as a simple table

na(n)
42
5460724
6610357585
72096681555
85351622936
966
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282

[2,460724,610357585,2096681555,5351622936,66,2,2,
 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2]