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A208332 as a simple table

na(n)
11
21
31
41
51
64
71
81
96
1010
111
121
138
1416
1528
161
171
1810
1922
2052
2176
221
231
2412
2528
2680
27156
28208
291
301
3114
3234
33112
34256
35472
36568
371
381
3916
4040
41148
42376
43832
441408
451552
461
471
4818
4946
50188
51516
521296
532640
544176
554240
561
571
5820
5952
60232
61676
621872
634320

[1,1,1,1,1,4,1,1,6,10,1,1,8,16,28,1,1,10,22,52,76,
 1,1,12,28,80,156,208,1,1,14,34,112,256,472,568,1,
 1,16,40,148,376,832,1408,1552,1,1,18,46,188,516,
 1296,2640,4176,4240,1,1,20,52,232,676,1872,4320]