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A391925 as a simple table

na(n)
11
22
31
43
52
61
74
83
92
101
115
124
133
142
151
166
175
184
193
202
211
227
236
245
254
263
272
281
298
307
316
325
334
343
352
361
379
388
397
406
416
424
434
442
451
4610
479
488
497
507
515
527
533
542
551
5611
5710
589
598
608
616
628
634
643
652
661
6712
6811
6910
709
719
727
739
745
754
763
772
781
7913
8012
8112
8210
8312
848
8514
866
875
884
893
902
911
9214
9313
9414
9511
9614
979
9815
997
1006
1016
1024
1033
1042
1051

[1,2,1,3,2,1,4,3,2,1,5,4,3,2,1,6,5,4,3,2,1,7,6,5,
 4,3,2,1,8,7,6,5,4,3,2,1,9,8,7,6,6,4,4,2,1,10,9,8,
 7,7,5,7,3,2,1,11,10,9,8,8,6,8,4,3,2,1,12,11,10,9,
 9,7,9,5,4,3,2,1,13,12,12,10,12,8,14,6,5,4,3,2,1,
 14,13,14,11,14,9,15,7,6,6,4,3,2,1]