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A210322 as a simple table

na(n)
10
20
30
40
50
60
70
80
96
1036
11150
12464
131304
143349
158213
1619230
1743867
1897644
19213776
20461240
21984603
222082436

[0,0,0,0,0,0,0,0,6,36,150,464,1304,3349,8213,
 19230,43867,97644,213776,461240,984603,2082436]