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A010686 as a simple table

na(n)
01
15
21
35
41
55
61
75
81
95
101
115
121
135
141
155
161
175
181
195
201
215
221
235
241
255
261
275
281
295
301
315
321
335
341
355
361
375
381
395
401
415
421
435
441
455
461
475
481
495
501
515
521
535
541
555
561
575
581
595
601
615
621
635
641
655
661
675
681
695
701
715
721
735
741
755
761
775
781
795
801

[1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,
 1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,
 5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,1,5,
 1,5,1,5,1,5,1]