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A207322 as a simple table

n a(n)
0 0
1 -3
2 12
3 -81
4 558
5 -4095
6 31074
7 -241761
8 1915998
9 -15403839
10 125264226
11 -1028198769
12 8505440256
13 -70821126339
14 593013903996
15 -4989710564097
16 42162715062462
17 -357607035133503
18 3043168538309586
19 -25973801534610801
20 222282241838388288
21 -1906876619917171299
22 16394307639893817516
23 -141231930366941378721

[0,-3,12,-81,558,-4095,31074,-241761,1915998,
 -15403839,125264226,-1028198769,8505440256,
 -70821126339,593013903996,-4989710564097,
 42162715062462,-357607035133503,3043168538309586,
 -25973801534610801,222282241838388288,
 -1906876619917171299,16394307639893817516,
 -141231930366941378721]

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Last modified January 22 12:12 EST 2022. Contains 350481 sequences. (Running on oeis4.)