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A040505 as a simple table

na(n)
022
11
244
31
444
51
644
71
844
91
1044
111
1244
131
1444
151
1644
171
1844
191
2044
211
2244
231
2444
251
2644
271
2844
291
3044
311
3244
331
3444
351
3644
371
3844
391
4044
411
4244
431
4444
451
4644
471
4844
491
5044
511
5244
531
5444
551
5644
571
5844
591
6044
611
6244
631
6444
651
6644
671
6844
691
7044
711
7244
731
7444

[22,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,
 1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,
 1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,
 1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44]