login

A071488 as a simple table

na(n)
11
22
31
42
53
64
75
81
95
106
117
123
132
141
152
168
179
187
196
205
216
224
2312
249
252
261
272
2810
297
304
315
322
3312
347
353
3613
372
381
398
403
417
429
436
4412
4515
4612
473
489
491
502
518
5216
537
5410
5517
562
5712
583
5913
609
612
6211
6316
643
659
6614
672
6815
6912
703
7113
722
739
748
757
7616
7710
782
7913
802

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