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A181956 as a simple table

na(n)
02
13
211
329
453
597
6149
7227
8331
9457
10607
11797
121019
131277
141579
151931
162333
172767
183251
193803
204421
215087
225821
236637
247507
258461
269479
2710589
2811777
2913063
3014419
3115877
3217431
3319079
3420849
3522691
3624659
3726717
3828901
3931219
4033623
4136187
4238833
4341627

[2,3,11,29,53,97,149,227,331,457,607,797,1019,
 1277,1579,1931,2333,2767,3251,3803,4421,5087,5821,
 6637,7507,8461,9479,10589,11777,13063,14419,15877,
 17431,19079,20849,22691,24659,26717,28901,31219,
 33623,36187,38833,41627]