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A263950 as a simple table

na(n)
11
21
31
41
53
61
71
84
97
101
111
126
1313
1415
151
161
176
1828
1940
2031
211
221
2312
2431
25120
26121
2763
281
291
308
3191
32156
33496
34364
35127
361
371
3812
3957
40600
41781
422016
431093
44255
451
461
4712
48112
49400
503751
513906
528128
533280
54511
551
561
5718
58117
59960
602801
6122932
6219531
6332640

[1,1,1,1,3,1,1,4,7,1,1,6,13,15,1,1,6,28,40,31,1,1,
 12,31,120,121,63,1,1,8,91,156,496,364,127,1,1,12,
 57,600,781,2016,1093,255,1,1,12,112,400,3751,3906,
 8128,3280,511,1,1,18,117,960,2801,22932,19531,
 32640]