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A308464 as a simple table

na(n)
15
213
329
453
585
6173
7229
8293
9365
10445
11533
12629
13733
14965
151093
161229
171373
181685
191853
202029
212213
222405
232605
242813
253029
263253
273485
283973
294229
304493
314765
325045
335333
345629
355933
366245
376565
386893
397229
407573
418285
428653
439029
449413
459805

[5,13,29,53,85,173,229,293,365,445,533,629,733,
 965,1093,1229,1373,1685,1853,2029,2213,2405,2605,
 2813,3029,3253,3485,3973,4229,4493,4765,5045,5333,
 5629,5933,6245,6565,6893,7229,7573,8285,8653,9029,
 9413,9805]