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A071437 as a simple table

na(n)
11
22
33
44
51
65
73
82
91
105
114
122
136
148
151
162
173
187
194
205
218
222
239
245
254
267
276
288
291
304
316
322
337
344
3511
362
373
388
395
404
413
428
432
441
4511
468
472
489
495
501
512
5213
538
544
555
563
572
581
595
6014
617
622
638
644
6514
662
678
684
6910
7011
718
727
735
744
7511
767
778
7816
794
8015
813
822
834
841
8514
868
879
884
8914
9016
9117
928
9319
944
9520

[1,2,3,4,1,5,3,2,1,5,4,2,6,8,1,2,3,7,4,5,8,2,9,5,
 4,7,6,8,1,4,6,2,7,4,11,2,3,8,5,4,3,8,2,1,11,8,2,9,
 5,1,2,13,8,4,5,3,2,1,5,14,7,2,8,4,14,2,8,4,10,11,
 8,7,5,4,11,7,8,16,4,15,3,2,4,1,14,8,9,4,14,16,17,
 8,19,4,20]