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A308640 as a simple table

na(n)
11
21
31
42
52
63
71
82
94
101
114
123
133
144
151
167
172
182
197
202
215
222
234
245
251
268
275
282
293
304
316
322
333
344
352
363
377
386
395
404
417
426
431
447
455
464
476
484
494
501
516
529
532
545
553
563
575
586
597
604
617
625
634
646
656
666
674
684
695
703
719
727
734
748
752
768
775
784
7910
803
819
826
835
846
854
8611
877
885
898
904
917
927
938
948
952
9614
976
983
998
1004

[1,1,1,2,2,3,1,2,4,1,4,3,3,4,1,7,2,2,7,2,5,2,4,5,
 1,8,5,2,3,4,6,2,3,4,2,3,7,6,5,4,7,6,1,7,5,4,6,4,4,
 1,6,9,2,5,3,3,5,6,7,4,7,5,4,6,6,6,4,4,5,3,9,7,4,8,
 2,8,5,4,10,3,9,6,5,6,4,11,7,5,8,4,7,7,8,8,2,14,6,
 3,8,4]