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A293604 as a simple table

n a(n)
0 1
1 1
2 -1
3 -5
4 1
5 41
6 31
7 -461
8 -895
9 6481
10 22591
11 -107029
12 -604031
13 1964665
14 17669471
15 -37341149
16 -567425279
17 627491489
18 19919950975
19 -2669742629
20 -759627879679
21 -652838174519
22 31251532771999
23 59976412450835
24 -1377594095061119
25 -4256461892701199

[1,1,-1,-5,1,41,31,-461,-895,6481,22591,-107029,
 -604031,1964665,17669471,-37341149,-567425279,
 627491489,19919950975,-2669742629,-759627879679,
 -652838174519,31251532771999,59976412450835,
 -1377594095061119,-4256461892701199]

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Last modified June 23 23:28 EDT 2021. Contains 345403 sequences. (Running on oeis4.)