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”).

A120936 as a simple table

na(n)
10
21
31
41
51
61
71
80
91
101
112
121
131
140
151
161
172
181
191
200
211
221
231
240
250
261
271
282
292
301
311
320
330
341
351
361
371
381
391
402
412
421
431
441
451
461
471
480
490
501
511
521
531
540
551
561
572
582
592
601
611
620
631
641
651
661
672
681
692
702
712
721
731
740
751
761
771
781
792
801
811
821
831
840
851
861
871
881
891
900
910
920
931
941
951
961
972
981
992
1002
1012
1021
1032
1041
1052

[0,1,1,1,1,1,1,0,1,1,2,1,1,0,1,1,2,1,1,0,1,1,1,0,
 0,1,1,2,2,1,1,0,0,1,1,1,1,1,1,2,2,1,1,1,1,1,1,0,0,
 1,1,1,1,0,1,1,2,2,2,1,1,0,1,1,1,1,2,1,2,2,2,1,1,0,
 1,1,1,1,2,1,1,1,1,0,1,1,1,1,1,0,0,0,1,1,1,1,2,1,2,
 2,2,1,2,1,2]