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A289872 as a simple table

na(n)
11
22
32
43
52
64
72
84
93
104
112
124
132
143
153
165
172
185
192
205
213
224
232
246
253
263
274
286
292
305
312
326
334
344
354
364
372
383
393
407
412
426
432
446
454
463
472
486
493
505
513
525
532
546
553
566
573
584
592
608
612
623
634
647
653
666
672
685
693
707
712
726
732
744
754
764
773
786
792
807
815
824
832
846
853
863
873
886
892
906

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