login

A321824 as a simple table

na(n)
11
21
3-6560
41
5390626
6-6560
7-5764800
81
943040161
10390626
11-214358880
12-6560
13815730722
14-5764800
15-2562506560
161
176975757442
1843040161
19-16983563040
20390626
2137817088000
22-214358880
23-78310985280
24-6560
25152588281251
26815730722

[1,1,-6560,1,390626,-6560,-5764800,1,43040161,
 390626,-214358880,-6560,815730722,-5764800,
 -2562506560,1,6975757442,43040161,-16983563040,
 390626,37817088000,-214358880,-78310985280,-6560,
 152588281251,815730722]