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A378568 as a simple table

na(n)
11
22
33
42
54
62
75
82
93
102
116
122
136
142
153
162
177
182
197
202
213
222
238
242
254
262
273
282
298
302
318
322
333
342
354
362
379
382
393
402
419
422
439
442
453
462
479
482
495
502
513
522
5310
542
554
562
573
582
5910
602
6110
622
633
642
654
662
6710
682
693
702
7110
722
7310
742
753
762
775
782
7910
802
813
822
8311
842

[1,2,3,2,4,2,5,2,3,2,6,2,6,2,3,2,7,2,7,2,3,2,8,2,
 4,2,3,2,8,2,8,2,3,2,4,2,9,2,3,2,9,2,9,2,3,2,9,2,5,
 2,3,2,10,2,4,2,3,2,10,2,10,2,3,2,4,2,10,2,3,2,10,
 2,10,2,3,2,5,2,10,2,3,2,11,2]