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”).

A086072 as a simple table

na(n)
00
11
20
30
41
51
61
70
80
90
100
110
120
131
141
151
161
171
182
191
201
211
220
230
240
250
261
270
280
290
300
310
320
331
340
350
360
370
381
390
400
411
420
430
440
451
462
472
482
491
501
511
521
532
541
551
561
571
583
591
601
612
621
631
640
651
662
670
680
691
700
710
720
731
740
750
760
770
781
791
800
811
820
830
840
850
861
870
881
890
900
911
920
931
940
950
960
970
981
990
1000
1012
1020
1030
1040

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