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A218533 as a simple table

na(n)
11
21
32
41
53
61
74
81
92
105
113
123
132
141
155
165
176
181
197
202
214
223
237
241
253
264
277
285
299
301
318
326
332
345
3510
361
379
383
398
401
414
427
435
4411
454
466
477
483
498
505
515
529
532
547
5511
561
5712
589
591
6010
613
6211
6314
641
655
6613
673
6813
692
7011
714
7213
731
748
757
7613
774
7811
799
807
8116
822

[1,1,2,1,3,1,4,1,2,5,3,3,2,1,5,5,6,1,7,2,4,3,7,1,
 3,4,7,5,9,1,8,6,2,5,10,1,9,3,8,1,4,7,5,11,4,6,7,3,
 8,5,5,9,2,7,11,1,12,9,1,10,3,11,14,1,5,13,3,13,2,
 11,4,13,1,8,7,13,4,11,9,7,16,2]