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A291423 as a simple table

na(n)
17
26
37
44
55
66
77
84
97
105
117
124
137
146
155
164
177
186
197
204
217
226
237
244
255
266
277
284
297
305
317
324
337
346
355
364
377
386
397
404
417
426
437
444
455
466
477
484
497
505
517
524
537
546
555
564
577
586
597
604
617
626
637
644
655
666
677
684
697
705

[7,6,7,4,5,6,7,4,7,5,7,4,7,6,5,4,7,6,7,4,7,6,7,4,
 5,6,7,4,7,5,7,4,7,6,5,4,7,6,7,4,7,6,7,4,5,6,7,4,7,
 5,7,4,7,6,5,4,7,6,7,4,7,6,7,4,5,6,7,4,7,5]