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”).

A321749 as a simple table

na(n)
11
21
3-1
41
50
61
71
8-2
91
100
11-1
121
13-1
141
152
16-3
171
180
190
201
210
221
230
24-2
251
260
270
281
29-2
301
311
32-2
33-2
343
353
36-4
371
380
390
400
41-1
421
43-1
442
452
461
47-1
48-3
49-6
506
514
52-5
531
540
55-1
560
571
582
59-3
601
610
620
63-1
642
651
66-3
671
680
690
700
710
721
731
74-2
75-2
76-2
776
783
793

[1,1,-1,1,0,1,1,-2,1,0,-1,1,-1,1,2,-3,1,0,0,1,0,1,
 0,-2,1,0,0,1,-2,1,1,-2,-2,3,3,-4,1,0,0,0,-1,1,-1,
 2,2,1,-1,-3,-6,6,4,-5,1,0,-1,0,1,2,-3,1,0,0,-1,2,
 1,-3,1,0,0,0,0,1,1,-2,-2,-2,6,3,3]