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A229111 as a simple table

n a(n)
1 1
2 -5
3 35
4 -275
5 2275
6 -19255
7 163925
8 -1385725
9 11483875
10 -91781375
11 688658785
12 -4581861025
13 22550427925
14 8852899375
15 -2431720493125
16 47471706909725
17 -699843878180125
18 9141002535744625
19 -111232778205154375
20 1288777160650004375
21 -14372445132730778975

[1,-5,35,-275,2275,-19255,163925,-1385725,
 11483875,-91781375,688658785,-4581861025,
 22550427925,8852899375,-2431720493125,
 47471706909725,-699843878180125,9141002535744625,
 -111232778205154375,1288777160650004375,
 -14372445132730778975]

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Last modified April 25 14:08 EDT 2024. Contains 371989 sequences. (Running on oeis4.)