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”).

A044944 as a simple table

na(n)
11
21
31
42
50
62
72
82
92
100
112
122
132
142
150
161
173
183
193
201
211
221
231
243
253
261
273
283
293
303
311
321
333
343
353
363
371
383
393
401
411
421
431
443
453
463
471
481
493
503
513
523
531
543
553
563
573
581
593
601
611
621
631
642
652
662
672
684
692
704
714
724
734
742
754
764
774
784
792
800
812
822
832
842
850
862
872
882
892
900

[1,1,1,2,0,2,2,2,2,0,2,2,2,2,0,1,3,3,3,1,1,1,1,3,
 3,1,3,3,3,3,1,1,3,3,3,3,1,3,3,1,1,1,1,3,3,3,1,1,3,
 3,3,3,1,3,3,3,3,1,3,1,1,1,1,2,2,2,2,4,2,4,4,4,4,2,
 4,4,4,4,2,0,2,2,2,2,0,2,2,2,2,0]