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A309041 as a simple table

na(n)
31
41
52
61
71
83
91
103
111
121
136
145
151
162
174
181
191
209
216
221
235
245
251
261
2715
2835
2928
309
311
321
334
341
351
3621
3770
3884
3945
4011
411
427
4314
447
451
461
4724
4826
499
501
512
5216
5320
548
551
561
5736
58210
59462
60495
61286
6291
6315
641
653
669
676
681
691
7045
71330
72924
731287
741001
75455
76120
7717
781

[1,1,2,1,1,3,1,3,1,1,6,5,1,2,4,1,1,9,6,1,5,5,1,1,
 15,35,28,9,1,1,4,1,1,21,70,84,45,11,1,7,14,7,1,1,
 24,26,9,1,2,16,20,8,1,1,36,210,462,495,286,91,15,
 1,3,9,6,1,1,45,330,924,1287,1001,455,120,17,1]