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A056108 as a simple table

na(n)
01
15
215
331
453
581
6115
7155
8201
9253
10311
11375
12445
13521
14603
15691
16785
17885
18991
191103
201221
211345
221475
231611
241753
251901
262055
272215
282381
292553
302731
312915
323105
333301
343503
353711
363925
374145
384371
394603
404841
415085
425335
435591
445853
456121
466395

[1,5,15,31,53,81,115,155,201,253,311,375,445,521,
 603,691,785,885,991,1103,1221,1345,1475,1611,1753,
 1901,2055,2215,2381,2553,2731,2915,3105,3301,3503,
 3711,3925,4145,4371,4603,4841,5085,5335,5591,5853,
 6121,6395]