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A371470 as a simple table

na(n)
11
22
33
44
55
67
78
81
92
106
117
122
133
143
154
165
174
185
196
207
219
2210
238
241
252
262
273
2810
2911
304
312
323
334
345
357
3612
3713
385
394
403
414
425
436
446
457
468
477
488
496
507
511
522
533
544
556
567
575
584
592
603
612
623
633
644
656
6613
6714
686
695
703
714
724
733
744
756
767
778
7818
7919
805
816
826
835
846
856
866
877
888
899
9014
9119
9220
937
948
955

[1,2,3,4,5,7,8,1,2,6,7,2,3,3,4,5,4,5,6,7,9,10,8,1,
 2,2,3,10,11,4,2,3,4,5,7,12,13,5,4,3,4,5,6,6,7,8,7,
 8,6,7,1,2,3,4,6,7,5,4,2,3,2,3,3,4,6,13,14,6,5,3,4,
 4,3,4,6,7,8,18,19,5,6,6,5,6,6,6,7,8,9,14,19,20,7,
 8,5]