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A090647 as a simple table

na(n)
00
17
270
32451
4168140
518724685
63065490210
7692352720199
8206231512032280
978326336951247393
1036942519649032690350
1121183831880266815272667
1214513757566643671668200420
1311709262576429836293006370421

[0,7,70,2451,168140,18724685,3065490210,
 692352720199,206231512032280,78326336951247393,
 36942519649032690350,21183831880266815272667,
 14513757566643671668200420,
 11709262576429836293006370421]