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A077661 as a simple table

na(n)
11
22
34
43
56
69
72
84
96
108
115
1210
1315
1420
1525
162
173
184
196
208
219
227
2314
2421
2528
2635
2742
2849
292
304
316
328
3310
3412
3514
3616
373
386
399
4012
4115
4218
4321
4424
4527
462
474
485
496
508
5110
5212
5314
5415
5516
5611
5722
5833
5944
6055
6166
6277
6388
6499
65110
66121
672
683
694
706
718
729
7310
7412
7514
7615
7716
7818
7913
8026

[1,2,4,3,6,9,2,4,6,8,5,10,15,20,25,2,3,4,6,8,9,7,
 14,21,28,35,42,49,2,4,6,8,10,12,14,16,3,6,9,12,15,
 18,21,24,27,2,4,5,6,8,10,12,14,15,16,11,22,33,44,
 55,66,77,88,99,110,121,2,3,4,6,8,9,10,12,14,15,16,
 18,13,26]