login

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

A239306 as a simple table

na(n)
11
21
32
41
53
65
71
82
93
106
111
125
133
146
1511
161
173
184
1910
207
219
221
233
244
258
265
2710
289
291
304
315
320
337
3410
3517
3613
371
383
394
400
417
4218
4315
4411
4516
461
473
484
495
507
5114
529
5311
5413
5519
561
573
584
595
606
610
6210
639
6414
6517
6616
671
683
694
705
718
729
7310
7418
7523
7617
7715
7827
791
803
814
820
836
8426
859
8615
8714
8811

[1,1,2,1,3,5,1,2,3,6,1,5,3,6,11,1,3,4,10,7,9,1,3,
 4,8,5,10,9,1,4,5,0,7,10,17,13,1,3,4,0,7,18,15,11,
 16,1,3,4,5,7,14,9,11,13,19,1,3,4,5,6,0,10,9,14,17,
 16,1,3,4,5,8,9,10,18,23,17,15,27,1,3,4,0,6,26,9,
 15,14,11]