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A109722 as a simple table

na(n)
00
15
217
341
477
5129
6197
7281
8381
9501
10639
11791
12963
131161
141371
151593
161851
172127
182427
192747
203087
213447
223831
234227
244661
255117
265589
276081
286601
297141
307699
318275
328893
339523
3410191
3510887
3611599
3712339
3813101
3913887
4014697
4115537
4216401
4317283

[0,5,17,41,77,129,197,281,381,501,639,791,963,
 1161,1371,1593,1851,2127,2427,2747,3087,3447,3831,
 4227,4661,5117,5589,6081,6601,7141,7699,8275,8893,
 9523,10191,10887,11599,12339,13101,13887,14697,
 15537,16401,17283]