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A098201 as a simple table

na(n)
12
23
33
43
54
63
73
84
93
103
115
123
134
145
153
163
174
184
193
205
213
223
236
243
254
264
273
285
296
303
313
326
334
343
355
363
373
385
394
403
416
423
436
444
453
464
475
484
493
506
513
523
537
543
553
566
573
586
597
604
614
624
635
643
657
663
675
687
693
703
715
724
735
747
753
763
777
785
793
806
814
823
837
843
854
867
873
886
894
903
913
927
934
946
957
963
973
987
993
1003
1016
1025
1037
1046
1054

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