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A281007 as a simple table

na(n)
11
21
31
42
51
61
72
82
91
101
112
122
131
142
152
161
172
181
192
202
212
222
231
241
252
262
272
282
291
302
312
323
332
342
351
362
372
382
392
402
411
422
431
442
452
462
472
482
494
501
512
521
532
542
552
562
572
583
592
602
612
622
632
641
652
662
671
682
692
704
712
722
732
742
752
761
772
781
792
802
812
822
832
842
852
862
871
882
892
902
912
924
931
942
954
962
971
982
992
1002
1012
1022
1032
1042
1052

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