login

A291560 as a simple table

na(n)
11
2-1
31
41
5-10
69
7-1
891
9-315
10225
111
12-820
138694
14-18900
1511025
16-1
177381
18-224730
191143450
20-1819125
21893025
221
23-66430
245684679
25-61647300
26203378175
27-255405150
28108056025
29-1
30597871
31-142714845
323162834675
33-19494349875
3447377655325
35-49165491375
3618261468225
371
38-5380840
393573251964
40-158546770200
411734021238950
42-7311738634200
4314041664336700
44-12417798393000
454108830350625
46-1
4748427561
48-89379726660
497858123038900
50-148224512094750
511025176095093150
52-3257761647640500
535167045911327300
54-3981456609755625
551187451971330625

[1,-1,1,1,-10,9,-1,91,-315,225,1,-820,8694,-18900,
 11025,-1,7381,-224730,1143450,-1819125,893025,1,
 -66430,5684679,-61647300,203378175,-255405150,
 108056025,-1,597871,-142714845,3162834675,
 -19494349875,47377655325,-49165491375,18261468225,
 1,-5380840,3573251964,-158546770200,1734021238950,
 -7311738634200,14041664336700,-12417798393000,
 4108830350625,-1,48427561,-89379726660,
 7858123038900,-148224512094750,1025176095093150,
 -3257761647640500,5167045911327300,
 -3981456609755625,1187451971330625]