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”).

A298421 as a simple table

na(n)
01
11
21
33
41
52
61
7-2
8-1
9-5
100
11-4
12-3
132
14-2
154
16-3
172
18-5
19-4
202
21-12
22-2
23-4
243
255
260
279
282
296
306
31-6
32-1
33-4
346
35-4
36-5
376
38-2
3918
400
416
420
43-4
444
45-10
46-4
47-4
489
497
507
518
522
536
547
55-4
56-6
57-18
580
59-8
60-4
616
62-2
6310
64-3
658
66-18
67-8
682
69-8
70-4
71-12
725

[1,1,1,3,1,2,1,-2,-1,-5,0,-4,-3,2,-2,4,-3,2,-5,-4,
 2,-12,-2,-4,3,5,0,9,2,6,6,-6,-1,-4,6,-4,-5,6,-2,
 18,0,6,0,-4,4,-10,-4,-4,9,7,7,8,2,6,7,-4,-6,-18,0,
 -8,-4,6,-2,10,-3,8,-18,-8,2,-8,-4,-12,5]