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A071544 as a simple table

na(n)
15
22
33
44
55
63
75
84
96
105
117
124
137
146
153
168
177
186
195
204
216
228
237
246
255
266
278
284
297
306
319
328
337
346
355
369
378
387
396
408
417
426
4311
444
455
4610
479
486
497
5010
519
528
537
546
555
567
5713
5812
5911
6010
619
628
637
648
657
666
6713
6812
6911
705
719
728
737
746
759
768
777
7812
7911
8010
819
828
837
846
8511
8610
879
888
8911
906
917
924
9312
9411
955

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