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A289641 as a simple table

na(n)
1-1
22
32
42
52
61
72
83
92
101
112
123
132
141
151
164
172
183
192
203
211
221
232
244
252
261
273
283
292
304
312
325
331
341
351
364
372
381
391
404
412
424
432
443
453
461
472
485
492
503
511
523
532
544
551
564
571
581
592
604
612
621
633
646
651
664
672
683
691
704
712
725
732
741
753
763
771
784
792
805
814
821
832

[-1,2,2,2,2,1,2,3,2,1,2,3,2,1,1,4,2,3,2,3,1,1,2,4,
 2,1,3,3,2,4,2,5,1,1,1,4,2,1,1,4,2,4,2,3,3,1,2,5,2,
 3,1,3,2,4,1,4,1,1,2,4,2,1,3,6,1,4,2,3,1,4,2,5,2,1,
 3,3,1,4,2,5,4,1,2]