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A321909 as a simple table

na(n)
02
12
22
33
42
54
63
75
82
93
103
115
123
136
146
155
162
174
183
196
204
214
227
237
244
255
265
273
283
297
303
315
322
334
348
355
363
376
386
396
405
418
426
436
446
456
469
479
484
496
505
515
525
537
543
555
565
577
587
597
605
6110
6210
637
642
654
664
678
684
694
707
717
724
736
746
755
765
777
786
796
804
813
823
838
843
856

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