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A074867 as a simple table

na(n)
11
21
32
43
55
68
713
811
94
105
119
1214
1313
147
1510
167
177
1814
1911
205
216
2211
237
248
2515
2613
278
2811
299
3010
319
329
3318
3417
3515
3612
377
389
3916
4015
4111
426
437
4413
4510
463
473
486
499
5015
5114
529
5313
5412
555
567
5712
589
5911
6010
611
621
632
643
655
668
6713
6811
694
705
719
7214
7313
747
7510
767
777
7814
7911
805
816
8211
837
848
8515
8613

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