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A177342 as a simple table

na(n)
11
29
331
475
5149
6261
7419
8631
9905
101249
111671
122179
132781
143485
154299
165231
176289
187481
198815
2010299
2111941
2213749
2315731
2417895
2520249
2622801
2725559
2828531
2931725
3035149
3138811
3242719
3346881
3451305
3555999
3660971
3766229
3871781
3977635

[1,9,31,75,149,261,419,631,905,1249,1671,2179,
 2781,3485,4299,5231,6289,7481,8815,10299,11941,
 13749,15731,17895,20249,22801,25559,28531,31725,
 35149,38811,42719,46881,51305,55999,60971,66229,
 71781,77635]