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A355972 as a simple table

na(n)
15
22
38
45
58
65
74
89
97
109
114
125
134
144
157
167
179
184
191
209
2116
2227
236
247
255
268
275
2820
2977
308
319
323
3335
343
357
364
3716
384
397
403
4135
424
438
443
4513
467
473
485
494
509
513
5215
5311
543
557
567
579
584
594
6065
6149
6220
635
6420
6514
669
6715
684
694
7027
7140
725
734
7416
7527
766
775
7822
7925
8011
8135
823
839
8416
8527
866
877
885
893
909
914
925
938
943
9511
9620

[5,2,8,5,8,5,4,9,7,9,4,5,4,4,7,7,9,4,1,9,16,27,6,
 7,5,8,5,20,77,8,9,3,35,3,7,4,16,4,7,3,35,4,8,3,13,
 7,3,5,4,9,3,15,11,3,7,7,9,4,4,65,49,20,5,20,14,9,
 15,4,4,27,40,5,4,16,27,6,5,22,25,11,35,3,9,16,27,
 6,7,5,3,9,4,5,8,3,11,20]