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A163067 as a simple table

na(n)
02
119
2178
31656
415352
5142064
61313408
712136896
8112126592
91035748864
109566914048
1188363846656
12816149635072
137538085638144
1469622614990848
15643040841793536
165939176725512192
1754854677118255104
18506641703733035008

[2,19,178,1656,15352,142064,1313408,12136896,
 112126592,1035748864,9566914048,88363846656,
 816149635072,7538085638144,69622614990848,
 643040841793536,5939176725512192,
 54854677118255104,506641703733035008]