login

A213183 as a simple table

na(n)
11
21
32
43
52
63
74
85
93
104
115
126
137
144
155
166
177
188
199
205
216
227
238
249
2510
2611
276
287
298
309
3110
3211
3312
3413
357
368
379
3810
3911
4012
4113
4214
4315
448
459
4610
4711
4812
4913
5014
5115
5216
5317
549
5510
5611
5712
5813
5914
6015
6116
6217
6318
6419
6510
6611
6712
6813
6914
7015
7116
7217
7318
7419
7520
7621
7711
7812

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