login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A318586 as a simple table

na(n)
11
21
31
42
51
61
71
83
92
101
111
123
131
142
153
163
171
184
191
203
211
222
231
245
252
261
274
285
291
305
311
326
333
342
354
368
372
384
392
406
413
429
432
444
457
465
474
4811
498
507
518
529
535
5412
555
5616
575
5810
595
6025
6110
629
6313
6418
6512
6618
676
6811
6914
7022
719
7224
7311
7421
7522
7625
7724
7823
7928
8032

[1,1,1,2,1,1,1,3,2,1,1,3,1,2,3,3,1,4,1,3,1,2,1,5,
 2,1,4,5,1,5,1,6,3,2,4,8,2,4,2,6,3,9,2,4,7,5,4,11,
 8,7,8,9,5,12,5,16,5,10,5,25,10,9,13,18,12,18,6,11,
 14,22,9,24,11,21,22,25,24,23,28,32]