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A199975 as a simple table

na(n)
12
23
35
47
51
63
77
89
96
108
113
122
134
142
156
165
170
186
198
207
212
228
238
244
258
260
270
280
290
303
314
323
332
344
358
365
375
388
398
402
418
428
439
444
458
468
472
482
496
508
518
520
538
540
550
568
570
584
594
606
616
620
630
643
659
662
679
688
696
700
710
725
732
748
754
764
772
784
790
800
818
828
832
848
850
866

[2,3,5,7,1,3,7,9,6,8,3,2,4,2,6,5,0,6,8,7,2,8,8,4,
 8,0,0,0,0,3,4,3,2,4,8,5,5,8,8,2,8,8,9,4,8,8,2,2,6,
 8,8,0,8,0,0,8,0,4,4,6,6,0,0,3,9,2,9,8,6,0,0,5,2,8,
 4,4,2,4,0,0,8,8,2,8,0,6]