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”).

A284203 as a simple table

na(n)
10
20
31
40
51
61
71
80
91
101
111
121
131
141
152
160
171
181
191
201
212
221
230
241
251
261
271
281
291
302
311
320
332
341
352
361
370
381
392
401
411
422
431
441
452
460
470
481
491
501
512
521
530
541
552
561
572
581
591
602
611
621
632
640
652
662
670
681
691
702
711
721
731
740
752
761
772
782
790
801
811
821
830
842
852
861
872
881
890
902
912
920
932
940
952
961
970
981
992
1001
1011
1022
1031
1041
1053
1060
1071
1081
1091
1102

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