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A274701 as a simple table

na(n)
11
22
31
42
52
62
73
82
93
102
113
123
133
143
153
164
173
184
193
204
213
224
234
244
254
264
274
284
295
304
315
324
335
344
355
364
375
385
395
405
415
425
435
445
455
466
475
486
495
506
515
526
535
546
555
566
576
586
596
606
616
626
636
646
656
666
677
686
697
706
717
726
737
746
757
766
777
786
797
807
817
827
837
847
857
867
877
887
897
907
917
928
937
948
957
968
977
988
997
1008
1017
1028
1037
1048

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