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A335121 as a simple table

na(n)
15
27
333
435
555
687
795
8175
9201
10215
11219
12245
13531
14747
15927
16939
171047
181295
191463
201473
211551
221855
232015
242103
252421
262431
272547
282619
292631
302765
313535
324833
335067
345215
357655
367743
377851
3810503
3911127
4011307
4113055
4213707
4316247
4416593
4517805
4618471

[5,7,33,35,55,87,95,175,201,215,219,245,531,747,
 927,939,1047,1295,1463,1473,1551,1855,2015,2103,
 2421,2431,2547,2619,2631,2765,3535,4833,5067,5215,
 7655,7743,7851,10503,11127,11307,13055,13707,
 16247,16593,17805,18471]