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A071545 as a simple table

na(n)
15
21
33
44
54
62
73
84
95
105
117
123
137
144
155
165
177
186
195
204
217
228
235
246
255
266
273
287
297
305
319
324
337
346
355
369
375
387
396
408
417
426
4311
444
459
469
477
488
497
5010
515
528
537
546
555
567
579
586
5911
6010
619
628
637
648
655
666
678
684
6911
7010
719
728
737
746
759
768
777
7812
795
8010
819
828
837
846
8511
8610
879
888
8911
906
9113
928
9311
9411
9510
969
978

[5,1,3,4,4,2,3,4,5,5,7,3,7,4,5,5,7,6,5,4,7,8,5,6,
 5,6,3,7,7,5,9,4,7,6,5,9,5,7,6,8,7,6,11,4,9,9,7,8,
 7,10,5,8,7,6,5,7,9,6,11,10,9,8,7,8,5,6,8,4,11,10,
 9,8,7,6,9,8,7,12,5,10,9,8,7,6,11,10,9,8,11,6,13,8,
 11,11,10,9,8]