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”).

A271460 as a simple table

na(n)
11
2-1
31
4-2
5-2
61
7-7
8-3
9-3
101
11-30
12-10
13-3
14-4
151
16-143
17-42
18-10
19-2
20-5
211
22-728
23-198
24-42
25-8
260
27-6
281
29-3876
30-1001
31-198
32-35
33-5
343
35-7
361
37-21318
38-5304
39-1001
40-168
41-25
42-2
437
44-8
451
46-120175
47-29070
48-5304
49-858
50-126
51-15
520
5312
54-9
551

[1,-1,1,-2,-2,1,-7,-3,-3,1,-30,-10,-3,-4,1,-143,
 -42,-10,-2,-5,1,-728,-198,-42,-8,0,-6,1,-3876,
 -1001,-198,-35,-5,3,-7,1,-21318,-5304,-1001,-168,
 -25,-2,7,-8,1,-120175,-29070,-5304,-858,-126,-15,
 0,12,-9,1]