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A209254 as a simple table

na(n)
10
21
31
42
52
62
73
81
92
102
113
122
134
143
151
163
171
181
194
202
215
225
231
244
251
262
274
283
291
306
313
324
334
345
351
366
377
382
394
403
414
422
434
445
451
462
473
487
495
502
514
528
534
546
555
561
572
582
593
608
613
621
635
646
652
664
677
684
698
704
712
727
736
743
754
763
771
786
796
801
817
826
832
848
859
865
877
883
893
9010
917
923
939
9414
951
969
974
983
994
1006

[0,1,1,2,2,2,3,1,2,2,3,2,4,3,1,3,1,1,4,2,5,5,1,4,
 1,2,4,3,1,6,3,4,4,5,1,6,7,2,4,3,4,2,4,5,1,2,3,7,5,
 2,4,8,4,6,5,1,2,2,3,8,3,1,5,6,2,4,7,4,8,4,2,7,6,3,
 4,3,1,6,6,1,7,6,2,8,9,5,7,3,3,10,7,3,9,14,1,9,4,3,
 4,6]