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A059967 as a simple table

na(n)
01
19
2117
31785
429799
5527085
69706503
7184138713
83573805950
970625252863
101416298046436
1128748759731965
12589546754316126
1312195537924351375
14254184908607118800
155332692942907262361
16112524941404978156215

[1,9,117,1785,29799,527085,9706503,184138713,
 3573805950,70625252863,1416298046436,
 28748759731965,589546754316126,12195537924351375,
 254184908607118800,5332692942907262361,
 112524941404978156215]