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A205554 as a simple table

na(n)
12
23
34
43
54
65
73
83
94
107
114
125
135
145
157
165
175
187
197
207
214
225
236
245
256
265
277
285
2912
308
314
326
335
347
3511
367
379
387
395
407
418
4213
437
445
457
466
4712
485
498
508
515
525
537
5412
554
565
577
5812
5912
6011
6112
624
634
648
657
668
677
687
697
7011
717
727
739
749
758
767
775
785
798
809
819
828
8310
8413
857
867
8714
885
895
9013
9116
927

[2,3,4,3,4,5,3,3,4,7,4,5,5,5,7,5,5,7,7,7,4,5,6,5,
 6,5,7,5,12,8,4,6,5,7,11,7,9,7,5,7,8,13,7,5,7,6,12,
 5,8,8,5,5,7,12,4,5,7,12,12,11,12,4,4,8,7,8,7,7,7,
 11,7,7,9,9,8,7,5,5,8,9,9,8,10,13,7,7,14,5,5,13,16,
 7]