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A270649 as a simple table

na(n)
20
34
43
55
65
74
86
95
106
115
126
137
146
157
167
177
187
198
207
216
226
237
246
258
267
277
287
298
307
316
328
337
348
359
368
378
387
399
409
417
428
437
448
459
468
478
487
499
508
519
529
538
549
558
569
579
5810
598
608
6110
629
638
648
6510
669
6710
688
698
7010
719
729
738
7410
758
769
779
788
799
8010
819
829
839
8410

[0,4,3,5,5,4,6,5,6,5,6,7,6,7,7,7,7,8,7,6,6,7,6,8,
 7,7,7,8,7,6,8,7,8,9,8,8,7,9,9,7,8,7,8,9,8,8,7,9,8,
 9,9,8,9,8,9,9,10,8,8,10,9,8,8,10,9,10,8,8,10,9,9,
 8,10,8,9,9,8,9,10,9,9,9,10]