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A224781 as a simple table

na(n)
12
23
35
441
589
6131
7173
8293
9743
10761
11911
121559
131583
141811
151931
161973
172129
182273
192339
202969
213449
223491
234409
244733
255003
265039
275501
286173
296551
306761
317883
327901
338093
348741
359059
369689
3710589
3810781
3911171
4011549
4113229
4213553
4314939
4415569

[2,3,5,41,89,131,173,293,743,761,911,1559,1583,
 1811,1931,1973,2129,2273,2339,2969,3449,3491,4409,
 4733,5003,5039,5501,6173,6551,6761,7883,7901,8093,
 8741,9059,9689,10589,10781,11171,11549,13229,
 13553,14939,15569]