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A273040 as a simple table

na(n)
12
23
32
43
53
64
72
83
95
104
114
125
133
143
152
166
173
185
195
207
214
224
234
245
257
263
274
286
296
308
312
325
335
345
356
368
375
385
395
403
413
424
434
443
456
466
474
487
495
506
516
526
533
548
558
5610
576
586
596
607
617
625
632
645
656
667
677
685
695
709
716
7211
737
745
757
767
778
788
798
803
817
827
837
848
854

[2,3,2,3,3,4,2,3,5,4,4,5,3,3,2,6,3,5,5,7,4,4,4,5,
 7,3,4,6,6,8,2,5,5,5,6,8,5,5,5,3,3,4,4,3,6,6,4,7,5,
 6,6,6,3,8,8,10,6,6,6,7,7,5,2,5,6,7,7,5,5,9,6,11,7,
 5,7,7,8,8,8,3,7,7,7,8,4]