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”).

A122917 as a simple table

na(n)
01
1-1
21
30
4-3
51
61
75
8-5
91
10-1
11-6
1214
13-7
141
150
166
17-29
1827
19-9
201
211
22-6
2350
24-76
2544
26-11
271
28-1
297
30-77
31175
32-155
3365
34-13
351
360
37-9
38111
39-351
40441
41-274
4290
43-15
441
451
4611
47-154
48638
49-1078
50924
51-441

[1,-1,1,0,-3,1,1,5,-5,1,-1,-6,14,-7,1,0,6,-29,27,
 -9,1,1,-6,50,-76,44,-11,1,-1,7,-77,175,-155,65,
 -13,1,0,-9,111,-351,441,-274,90,-15,1,1,11,-154,
 638,-1078,924,-441]