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A238737 as a simple table

na(n)
00
11
21
31
43
51
61
73
81
91
103
111
123
135
141
151
163
175
181
193
201
211
223
231
243
255
261
273
285
291
301
313
325
331
343
351
361
373
385
391
403
411
423
435
441
453
465
477
481
493
501
511
523
531
541
553
561
573
585
597
609
6111
6213
631
643
651
663
675
681
691
703
715
727
739

[0,1,1,1,3,1,1,3,1,1,3,1,3,5,1,1,3,5,1,3,1,1,3,1,
 3,5,1,3,5,1,1,3,5,1,3,1,1,3,5,1,3,1,3,5,1,3,5,7,1,
 3,1,1,3,1,1,3,1,3,5,7,9,11,13,1,3,1,3,5,1,1,3,5,7,
 9]