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A026497 as a simple table

na(n)
17
21
36
41
58
61
73
83
91
101
117
121
136
141
157
161
171
183
193
201
218
221
236
241
258
261
273
283
291
301
317
321
333
343
351
367
371
381
393
403
411
421
437
441
456
461
478
481
493
503
511
521
537
541
556
561
577
581
591
603
613
621
638
641
656
661
677
681
691
703
713
721
731
747
751
763
773
781
797
801
811
823
833
841
858
861
876
881
898
901

[7,1,6,1,8,1,3,3,1,1,7,1,6,1,7,1,1,3,3,1,8,1,6,1,
 8,1,3,3,1,1,7,1,3,3,1,7,1,1,3,3,1,1,7,1,6,1,8,1,3,
 3,1,1,7,1,6,1,7,1,1,3,3,1,8,1,6,1,7,1,1,3,3,1,1,7,
 1,3,3,1,7,1,1,3,3,1,8,1,6,1,8,1]