login

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

A115570 as a simple table

na(n)
11
21
31
41
51
61
71
81
92
101
111
122
131
141
152
161
171
182
191
201
212
221
231
242
252
261
271
283
293
301
311
323
333
341
351
363
373
381
391
402
412
421
431
443
453
461
471
483
494
503
511
521
533
544
553
561
571
583
594
603
611
621
633
645
654
661
671
683
694
703
711
721
733
745
755
763
771
781
793
805
816
824
831
841
853
865
875
883
891
901
913
925
936
945
953
961

[1,1,1,1,1,1,1,1,2,1,1,2,1,1,2,1,1,2,1,1,2,1,1,2,
 2,1,1,3,3,1,1,3,3,1,1,3,3,1,1,2,2,1,1,3,3,1,1,3,4,
 3,1,1,3,4,3,1,1,3,4,3,1,1,3,5,4,1,1,3,4,3,1,1,3,5,
 5,3,1,1,3,5,6,4,1,1,3,5,5,3,1,1,3,5,6,5,3,1]