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A194877 as a simple table

na(n)
11
22
31
43
52
61
74
83
92
101
115
124
133
142
151
165
174
183
192
201
216
225
234
243
252
267
271
286
295
304
313
328
332
347
351
366
375
384
399
403
418
422
437
441
456
465
4710
484
499
503
518
522
537
541
556
5611
575
5810
594
609
613
628
632
647
651
666
6711
685
6910
704
719
723
738
742
757
761
7712
786
7911
805
8110
824
839
843
858
862
8713
887
891
9012
916
9211
935
9410

[1,2,1,3,2,1,4,3,2,1,5,4,3,2,1,5,4,3,2,1,6,5,4,3,
 2,7,1,6,5,4,3,8,2,7,1,6,5,4,9,3,8,2,7,1,6,5,10,4,
 9,3,8,2,7,1,6,11,5,10,4,9,3,8,2,7,1,6,11,5,10,4,9,
 3,8,2,7,1,12,6,11,5,10,4,9,3,8,2,13,7,1,12,6,11,5,
 10]