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A373556 as a simple table

na(n)
11
23
32
44
52
65
72
85
94
103
116
122
136
144
153
166
175
183
197
202
217
224
233
247
255
263
277
286
293
307
316
325
334
348
352
368
374
383
398
405
413
428
436
443
458
466
475
484
498
507
513
528
537
545
554
568
577
586
594
609
612
629
634
643
659
665
673
689
696
703
719
726
735
744
759
767
773
789
797
805
814
829
837
846
854
869
878
883

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