login

A156061 as a simple table

na(n)
11
21
32
41
53
62
74
81
92
103
115
122
136
144
156
161
177
182
198
203
218
225
239
242
253
266
272
284
2910
306
3111
321
3310
347
3512
362
3712
388
3912
403
4113
428
4314
445
456
469
4715
482
494
503
5114
526
5316
542
5515
564
5716
5810
5917
606
6118
6211
638
641
6518
6610
6719
687
6918
7012
7120
722
7321
7412
756
768
7720
7812
7922
803
812
8213
8323
848
8521
8614
8720
885
8924
906
9124
929
9322
9415
9524
962
9725
984
9910
1003

[1,1,2,1,3,2,4,1,2,3,5,2,6,4,6,1,7,2,8,3,8,5,9,2,
 3,6,2,4,10,6,11,1,10,7,12,2,12,8,12,3,13,8,14,5,6,
 9,15,2,4,3,14,6,16,2,15,4,16,10,17,6,18,11,8,1,18,
 10,19,7,18,12,20,2,21,12,6,8,20,12,22,3,2,13,23,8,
 21,14,20,5,24,6,24,9,22,15,24,2,25,4,10,3]