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A209401 as a simple table

na(n)
10
20
30
42
50
60
70
818
92
100
110
124
130
140
150
16228
170
184
190
204
210
220
230
2436
252
260
2723
284
290
300
310

[0,0,0,2,0,0,0,18,2,0,0,4,0,0,0,228,0,4,0,4,0,0,0,
 36,2,0,23,4,0,0,0]