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A321823 as a simple table

n a(n)
1 1
2 1
3 -2186
4 1
5 78126
6 -2186
7 -823542
8 1
9 4780783
10 78126
11 -19487170
12 -2186
13 62748518
14 -823542
15 -170783436
16 1
17 410338674
18 4780783
19 -893871738
20 78126
21 1800262812
22 -19487170
23 -3404825446
24 -2186
25 6103593751
26 62748518
27 -10455572420
28 -823542

[1,1,-2186,1,78126,-2186,-823542,1,4780783,78126,
 -19487170,-2186,62748518,-823542,-170783436,1,
 410338674,4780783,-893871738,78126,1800262812,
 -19487170,-3404825446,-2186,6103593751,62748518,
 -10455572420,-823542]

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Last modified June 10 16:16 EDT 2024. Contains 373272 sequences. (Running on oeis4.)