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A275542 as a simple table

na(n)
12
23
35
47
52
63
75
87
92
102
112
122
132
143
152
162
175
182
192
207
212
222
233
243
253
262
273
283
293
303
315
323
333
347
353
363
372
383
395
407
415
425
435
442
455
463
475
485
495
505
515
527
535
545
552
563
575
587
597
607
617
622
637
643
657
667
675
687
697
707
717
727
732
743
755
767
772
783
795
807

[2,3,5,7,2,3,5,7,2,2,2,2,2,3,2,2,5,2,2,7,2,2,3,3,
 3,2,3,3,3,3,5,3,3,7,3,3,2,3,5,7,5,5,5,2,5,3,5,5,5,
 5,5,7,5,5,2,3,5,7,7,7,7,2,7,3,7,7,5,7,7,7,7,7,2,3,
 5,7,2,3,5,7]