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A262747 as a simple table

na(n)
11
22
31
41
51
63
72
81
92
104
112
122
131
142
152
161
172
183
192
203
214
223
231
242
253
264
272
284
292
302
313
321
334
342
351
362
375
384
391
402
412
426
433
442
454
464
473
483
494
503
513
525
533
543
554
562
576
587
593
604
614
625
632
642
655
666
676
681
695
704
714
724
736
746
751
764
774
782
794
803
815
826
833
844
855
865
874
882
892
906
915
924
936
943
953
961
975
983
992
1003

[1,2,1,1,1,3,2,1,2,4,2,2,1,2,2,1,2,3,2,3,4,3,1,2,
 3,4,2,4,2,2,3,1,4,2,1,2,5,4,1,2,2,6,3,2,4,4,3,3,4,
 3,3,5,3,3,4,2,6,7,3,4,4,5,2,2,5,6,6,1,5,4,4,4,6,6,
 1,4,4,2,4,3,5,6,3,4,5,5,4,2,2,6,5,4,6,3,3,1,5,3,2,
 3]