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”).

A353457 as a simple table

na(n)
11
2-1
31
40
5-1
6-1
71
80
91
101
11-1
120
131
14-1
15-1
160
17-1
18-1
191
200
211
221
23-1
240
250
26-1
271
280
291
301
31-1
320
33-1
341
35-1
360
371
38-1
391
400
41-1
42-1
431
440
45-1
461
47-1
480
491
500
51-1
520
531
54-1
551
560
571
58-1
59-1
600
611
621
631
640
65-1
661
67-1
680
69-1
701
711
720
73-1
74-1
750
760
77-1
78-1
791
800
811
821
83-1
840
851
86-1
871
880
891
901
911
920
93-1
941
95-1
960

[1,-1,1,0,-1,-1,1,0,1,1,-1,0,1,-1,-1,0,-1,-1,1,0,
 1,1,-1,0,0,-1,1,0,1,1,-1,0,-1,1,-1,0,1,-1,1,0,-1,
 -1,1,0,-1,1,-1,0,1,0,-1,0,1,-1,1,0,1,-1,-1,0,1,1,
 1,0,-1,1,-1,0,-1,1,1,0,-1,-1,0,0,-1,-1,1,0,1,1,-1,
 0,1,-1,1,0,1,1,1,0,-1,1,-1,0]