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A093121 as a simple table

na(n)
01
10
24
36
430
580
6286
7882
82924
99350
1030438
1198208
12318278
131029210
143331820
1510780014
1634888062
17112894960
18365344142
191182264930
203825911596
2112380874550
2240065409014
23129654294336
24419570260150
251357757640330

[1,0,4,6,30,80,286,882,2924,9350,30438,98208,
 318278,1029210,3331820,10780014,34888062,
 112894960,365344142,1182264930,3825911596,
 12380874550,40065409014,129654294336,419570260150,
 1357757640330]