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A249336 as a simple table

na(n)
11
21
32
41
53
61
74
82
92
103
113
124
135
141
155
162
174
186
193
207
211
226
234
248
255
266
277
282
295
308
319
323
339
344
3510
365
3710
386
3911
401
417
427
438
4412
459
4610
4711
482
496
5013
511
528
5314
543
5511
564
5712
5812
5913
602
617
6214
635
6415
656
6616
6715
687
6916
7017
711
729
7318
748
7517
762
778
7818
799
8019
811
8210
8320
8410
8521
863
8713
884
8914
9011
9112
9222
935
9419
952
969
9723
981

[1,1,2,1,3,1,4,2,2,3,3,4,5,1,5,2,4,6,3,7,1,6,4,8,
 5,6,7,2,5,8,9,3,9,4,10,5,10,6,11,1,7,7,8,12,9,10,
 11,2,6,13,1,8,14,3,11,4,12,12,13,2,7,14,5,15,6,16,
 15,7,16,17,1,9,18,8,17,2,8,18,9,19,1,10,20,10,21,
 3,13,4,14,11,12,22,5,19,2,9,23,1]