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A004741 as a simple table

na(n)
11
22
31
43
54
62
71
83
95
106
114
122
131
143
155
167
178
186
194
202
211
223
235
247
259
2610
278
286
294
302
311
323
335
347
359
3611
3712
3810
398
406
414
422
431
443
455
467
479
4811
4913
5014
5112
5210
538
546
554
562
571
583
595
607
619
6211
6313
6415
6516
6614
6712
6810
698
706
714
722
731
743
755
767
779
7811
7913
8015
8117
8218
8316
8414
8512
8610
878
886
894
902
911
923
935
947
959
9611
9713
9815
9917
10019

[1,2,1,3,4,2,1,3,5,6,4,2,1,3,5,7,8,6,4,2,1,3,5,7,
 9,10,8,6,4,2,1,3,5,7,9,11,12,10,8,6,4,2,1,3,5,7,9,
 11,13,14,12,10,8,6,4,2,1,3,5,7,9,11,13,15,16,14,
 12,10,8,6,4,2,1,3,5,7,9,11,13,15,17,18,16,14,12,
 10,8,6,4,2,1,3,5,7,9,11,13,15,17,19]