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A152976 as a simple table

na(n)
11
22
33
41
53
66
73
85
92
103
111
124
139
145
1510
165
179
184
197
203
216
223
235
242
253
261
275
2812
297
3015
318
3215
337
3414
357
3615
378
3815
397
4012
415
429
434
449
455
4610
475
489
494
507
513
526
533
545
552
563
571
586
5915
609
6120
6211
6321
6410
6521
6611
6724
6813
6925
7012
7121
729
7318
749
7521
7612
7725
7813
7924
8011
8121
8210
8321
8411
8520
869
8715
886

[1,2,3,1,3,6,3,5,2,3,1,4,9,5,10,5,9,4,7,3,6,3,5,2,
 3,1,5,12,7,15,8,15,7,14,7,15,8,15,7,12,5,9,4,9,5,
 10,5,9,4,7,3,6,3,5,2,3,1,6,15,9,20,11,21,10,21,11,
 24,13,25,12,21,9,18,9,21,12,25,13,24,11,21,10,21,
 11,20,9,15,6]