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A139726 as a simple table

na(n)
16
27
37
40
516
614
76
83
92
102
113
1212
133
141
155
1610
179
1812
192
201
218
229
2317
247
256
260
2716
285
294
302
3118
3211
3311
3425
3511
360
373
380
3910
4017
4119
420
439
4441
455
4615
472
4821
490
507
517
521
5310
5418
5528
5630
574
581
5917
6012
613
6211
6312
645
6522
6614
673
6824
697
703
7119
7214
735
7415
757
7617
7711
787
7911
800
8112
821
833
840
852
866
871

[6,7,7,0,16,14,6,3,2,2,3,12,3,1,5,10,9,12,2,1,8,9,
 17,7,6,0,16,5,4,2,18,11,11,25,11,0,3,0,10,17,19,0,
 9,41,5,15,2,21,0,7,7,1,10,18,28,30,4,1,17,12,3,11,
 12,5,22,14,3,24,7,3,19,14,5,15,7,17,11,7,11,0,12,
 1,3,0,2,6,1]