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A261337 as a simple table

na(n)
00
11
21
32
41
53
62
72
81
93
103
114
122
133
142
154
161
175
183
192
203
215
224
236
242
253
263
273
282
297
304
314
321
334
345
354
363
373
382
395
403
415
425
434
444
456
466
476
482
495
503
514
523
537
543
552
562
575
587
598
604
615
624
636
641
655
664
676
685
697
704
716
723
733
743
755
762
777
785
793
803
816
825
838
845
857
864

[0,1,1,2,1,3,2,2,1,3,3,4,2,3,2,4,1,5,3,2,3,5,4,6,
 2,3,3,3,2,7,4,4,1,4,5,4,3,3,2,5,3,5,5,4,4,6,6,6,2,
 5,3,4,3,7,3,2,2,5,7,8,4,5,4,6,1,5,4,6,5,7,4,6,3,3,
 3,5,2,7,5,3,3,6,5,8,5,7,4]