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A139549 as a simple table

na(n)
01
11
21
31
41
51
61
71
81
91
101
111
122
131
141
151
161
172
181
191
201
211
221
232
243
251
261
271
281
291
302
313
321
331
341
351
361
371
381
393
404
411
421
431
441
451
461
471
483
494
501
511
521
531
541
551
561
571
583
594
605
611
621
631
641
651
661
671
681
693
704
715
721
731
741
751
761
771
781
791
801
813
824
835
841
851
861
871
881
891
901
911
921
931
943
954
965
971
981
991
1001
1011
1021
1031
1041

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