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A090578 as a simple table

na(n)
01
14
210
330
474
5222
6546
71628
83978
911810
1028658
1184520
12203562
13596520
141425924
154150232
169838116
1728418002
1866805554

[1,4,10,30,74,222,546,1628,3978,11810,28658,84520,
 203562,596520,1425924,4150232,9838116,28418002,
 66805554]