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A321551 as a simple table

n a(n)
1 1
2 -4095
3 531442
4 -16781311
5 244140626
6 -2176254990
7 13841287202
8 -68736258047
9 282430067923
10 -999755863470
11 3138428376722
12 -8918293480462
13 23298085122482
14 -56680071092190
15 129746582562692
16 -281543712968703
17 582622237229762
18 -1156551128144685
19 2213314919066162
20 -4096999772640686

[1,-4095,531442,-16781311,244140626,-2176254990,
 13841287202,-68736258047,282430067923,
 -999755863470,3138428376722,-8918293480462,
 23298085122482,-56680071092190,129746582562692,
 -281543712968703,582622237229762,
 -1156551128144685,2213314919066162,
 -4096999772640686]

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Last modified January 26 17:27 EST 2020. Contains 331280 sequences. (Running on oeis4.)