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A040450 as a simple table

na(n)
021
11
22
31
41
51
64
75
84
91
101
111
122
131
1442
151
162
171
181
191
204
215
224
231
241
251
262
271
2842
291
302
311
321
331
344
355
364
371
381
391
402
411
4242
431
442
451
461
471
484
495
504
511
521
531
542
551
5642
571
582
591
601
611
624
635
644
651
661
671
682
691
7042
711
722
731
741
751
764
775
784
791
801
811
822
831
8442
851
862
871
881
891

[21,1,2,1,1,1,4,5,4,1,1,1,2,1,42,1,2,1,1,1,4,5,4,
 1,1,1,2,1,42,1,2,1,1,1,4,5,4,1,1,1,2,1,42,1,2,1,1,
 1,4,5,4,1,1,1,2,1,42,1,2,1,1,1,4,5,4,1,1,1,2,1,42,
 1,2,1,1,1,4,5,4,1,1,1,2,1,42,1,2,1,1,1]