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A002784 as a simple table

na(n)
11
21
31
42
53
61
71
84
95
101
113
121
133
141
151
168
1715
183
197
204
215
222
233
243
256
262
273
282
293
301
311
3216
3319
347
3510
365
3715
384
395
407
4115
423
437
444
455
462
473
485
4913
503
515
524
537
541
553
563
575
582
593
601
613
621
631
6432
6547
6611
6731
6814
6921
706
7115
7211
7331
747
759
767
7712
783
797
8012
8121
827
8315
844
8511
864
875
887
8915
902
917
924
935

[1,1,1,2,3,1,1,4,5,1,3,1,3,1,1,8,15,3,7,4,5,2,3,3,
 6,2,3,2,3,1,1,16,19,7,10,5,15,4,5,7,15,3,7,4,5,2,
 3,5,13,3,5,4,7,1,3,3,5,2,3,1,3,1,1,32,47,11,31,14,
 21,6,15,11,31,7,9,7,12,3,7,12,21,7,15,4,11,4,5,7,
 15,2,7,4,5]