login

A137753 as a simple table

na(n)
11
21
32
41
52
61
73
81
96
105
113
121
134
141
1512
167
1712
187
194
201
215
221
2320
249
2530
2631
2720
289
295
301
316
321
3330
3411
3560
3649
3760
3849
3930
4011
416
421
437
441
4542
4613
47105
4871
49140
50209
51105
5271
5342
5413
557
561
578
581
5956
6015
61168
6297
63280
64351
65280
66351
67168
6897

[1,1,2,1,2,1,3,1,6,5,3,1,4,1,12,7,12,7,4,1,5,1,20,
 9,30,31,20,9,5,1,6,1,30,11,60,49,60,49,30,11,6,1,
 7,1,42,13,105,71,140,209,105,71,42,13,7,1,8,1,56,
 15,168,97,280,351,280,351,168,97]