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A309890 as a simple table

na(n)
11
21
32
41
51
62
72
84
94
101
111
122
131
141
152
162
174
184
192
204
214
225
235
248
255
265
279
281
291
302
311
321
332
342
354
364
371
381
392
401
411
422
432
444
454
462
474
484
495
505
518
525
535
549
552
564
574
585
595
6010
615
625
6310
6410
6511
6613
6710
6811
6910
7011
7113
7210
7310
7412
7513
7610
7713
7811
7912
8020
8111
821
831
842
851
861
872
882
894
904
911
921
932
941
951
962
972
984
994
1002

[1,1,2,1,1,2,2,4,4,1,1,2,1,1,2,2,4,4,2,4,4,5,5,8,
 5,5,9,1,1,2,1,1,2,2,4,4,1,1,2,1,1,2,2,4,4,2,4,4,5,
 5,8,5,5,9,2,4,4,5,5,10,5,5,10,10,11,13,10,11,10,
 11,13,10,10,12,13,10,13,11,12,20,11,1,1,2,1,1,2,2,
 4,4,1,1,2,1,1,2,2,4,4,2]