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A165242 as a simple table

na(n)
15
27
35
43
57
63
75
81
97
105
113
127
135
141
157
165
171
187
193
201
215
225
231
247
253
263
271
283
293
305
313
327
335
343
353
365
371
383
397
405
411
427
437
443
457
461
475
485
493
501
511
525
535
543
553
565
571
587
595
607
617
625
633
641
651
663
677
687
695
707
715
727
737
741
753
761
771
783
797
803
813
821
831
841
855
863
875
883
891
905
917
927
935
941
955
967
977
981
991
1007
1015
1027
1033
1043
1055

[5,7,5,3,7,3,5,1,7,5,3,7,5,1,7,5,1,7,3,1,5,5,1,7,
 3,3,1,3,3,5,3,7,5,3,3,5,1,3,7,5,1,7,7,3,7,1,5,5,3,
 1,1,5,5,3,3,5,1,7,5,7,7,5,3,1,1,3,7,7,5,7,5,7,7,1,
 3,1,1,3,7,3,3,1,1,1,5,3,5,3,1,5,7,7,5,1,5,7,7,1,1,
 7,5,7,3,3,5]