login

A143939 as a simple table

na(n)
21
33
44
52
65
75
86
96
103
117
127
137
148
158
168
174
189
199
209
219
2210
2310
2410
2510
265
2711
2811
2911
3011
3111
3212
3312
3412
3512
3612
376
3813
3913
4013
4113
4213
4313
4414
4514
4614
4714
4814
4914
507
5115
5215
5315
5415
5515
5615
5715
5816
5916
6016
6116
6216
6316
6416
658
6617
6717
6817
6917
7017
7117
7217
7317
7418
7518
7618
7718
7818
7918

[1,3,4,2,5,5,6,6,3,7,7,7,8,8,8,4,9,9,9,9,10,10,10,
 10,5,11,11,11,11,11,12,12,12,12,12,6,13,13,13,13,
 13,13,14,14,14,14,14,14,7,15,15,15,15,15,15,15,16,
 16,16,16,16,16,16,8,17,17,17,17,17,17,17,17,18,18,
 18,18,18,18]