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A270706 as a simple table

na(n)
11
22
31
42
54
62
72
84
92
103
115
122
133
144
153
166
174
182
196
205
212
224
236
242
253
267
273
285
296
304
318
325
332
345
353
365
379
387
393
405
418
423
436
445
452
468
474
482
499
506
514
527
537
544
555
567
575
589
595
603
617
624
635
6412
659
664
675
688
694
706
7111
723
739
745
753
7610
773
784
799
806
815
8211
838
845
857
869
873
885
894
901

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