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A307785 as a simple table

na(n)
12
23
34
45
56
67
76
83
94
105
116
127
136
143
154
165
176
187
196
203
214
225
236
247
256
263
274
285
296
307
316
323
334
345
356
367
376
383
394
405
416
427
438
447
454
465
476
485
492
503
514
525
536
547
556
562
573
584
595
606
617
628
639
648
655
664
675
686
697
708
717
725
736
747
756
764
775
786
797
808
819
8210
839
846
855
866
877

[2,3,4,5,6,7,6,3,4,5,6,7,6,3,4,5,6,7,6,3,4,5,6,7,
 6,3,4,5,6,7,6,3,4,5,6,7,6,3,4,5,6,7,8,7,4,5,6,5,2,
 3,4,5,6,7,6,2,3,4,5,6,7,8,9,8,5,4,5,6,7,8,7,5,6,7,
 6,4,5,6,7,8,9,10,9,6,5,6,7]