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A006077 as a simple table

n a(n)
0 1
1 3
2 9
3 21
4 9
5 -297
6 -2421
7 -12933
8 -52407
9 -145293
10 -35091
11 2954097
12 25228971
13 142080669
14 602217261
15 1724917221
16 283305033
17 -38852066421
18 -337425235479
19 -1938308236731
20 -8364863310291
21 -24286959061533
22 -3011589296289
23 574023003011199
24 5028616107443691

[1,3,9,21,9,-297,-2421,-12933,-52407,-145293,
 -35091,2954097,25228971,142080669,602217261,
 1724917221,283305033,-38852066421,-337425235479,
 -1938308236731,-8364863310291,-24286959061533,
 -3011589296289,574023003011199,5028616107443691]

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)