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A120950 as a simple table

na(n)
02
16
230
3146
4698
53358
616342
780298
8397170
91972790
109824654
1149005250
12244672042
131222297422
146108298566
1530531927002
16152630937314
17763068593254
183815084686078
1919074648589554
2095370918424986
21476847618556286

[2,6,30,146,698,3358,16342,80298,397170,1972790,
 9824654,49005250,244672042,1222297422,6108298566,
 30531927002,152630937314,763068593254,
 3815084686078,19074648589554,95370918424986,
 476847618556286]