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A146558 as a simple table

na(n)
11
22
30
416
50
672
70
8256
90
100
110
122304
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290

[1,2,0,16,0,72,0,256,0,0,0,2304,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0]