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A007001 as a simple table

na(n)
11
22
31
42
53
61
72
81
92
103
111
122
133
144
151
162
171
182
193
201
212
221
232
243
251
262
273
284
291
302
311
322
333
341
352
363
374
381
392
403
414
425
431
442
451
462
473
481
492
501
512
523
531
542
553
564
571
582
591
602
613
621
632
641
652
663
671
682
693
704
711
722
731
742
753
761
772
783
794
801
812
823
834
845
851
862
871
882
893
901
912
921
932
943
951
962
973
984
991
1002
1011
1022
1033
1041
1052

[1,2,1,2,3,1,2,1,2,3,1,2,3,4,1,2,1,2,3,1,2,1,2,3,
 1,2,3,4,1,2,1,2,3,1,2,3,4,1,2,3,4,5,1,2,1,2,3,1,2,
 1,2,3,1,2,3,4,1,2,1,2,3,1,2,1,2,3,1,2,3,4,1,2,1,2,
 3,1,2,3,4,1,2,3,4,5,1,2,1,2,3,1,2,1,2,3,1,2,3,4,1,
 2,1,2,3,1,2]