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A366687 as a simple table

na(n)
01
13
22
35
42
54
64
74
83
97
103
117
124
136
145
158
163
176
185
197
204
217
224
237
247
256
263
2710
286
296
306
317
324
3313
346
3511
367
375
384
3911
405
416
429
435
446
4513
466
477
485
498
506
5111
523
537
549
5513
567
5712
586
597
608
616
624
6313
643
6510
668
679
687
6914
708
716
7210
738
748
7513
766
7712
7812
797
8010

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