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A368473 as a simple table

na(n)
11
21
31
42
51
61
71
82
91
101
112
121
131
141
154
161
172
181
192
201
211
221
232
241
252
261
271
281
291
301
311
324
331
341
351
361
371
381
392
402
411
421
434
442
452
461
472
481
491
501
511
521
532
541
551
562
571
581
591
602
611
621
631
641
651
662
672
681
691
701
714
724
731
741
752
761
771
781
791
802
811
822
831
841
851
861
872

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