login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A171618 as a simple table

na(n)
11
21
31
41
51
62
71
83
92
104
113
123
133
145
154
166
175
186
195
207
216
228
236
248
258
268
279
289
2910
3010
319
3211
3310
3412
3512
3613
3711
3812
3913
4013
4115
4214
4314
4415
4514
4616
4714
4817
4917
5016
5117
5217
5318
5418
5519
5618
5719
5819
5921
6021
6119
6221
6320
6422
6524
6623
6722
6822
6923
7024
7125
7225
7324
7425
7524
7627
7726
7828
7927

[1,1,1,1,1,2,1,3,2,4,3,3,3,5,4,6,5,6,5,7,6,8,6,8,
 8,8,9,9,10,10,9,11,10,12,12,13,11,12,13,13,15,14,
 14,15,14,16,14,17,17,16,17,17,18,18,19,18,19,19,
 21,21,19,21,20,22,24,23,22,22,23,24,25,25,24,25,
 24,27,26,28,27]