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A024004 as a simple table

n a(n)
0 1
1 0
2 -63
3 -728
4 -4095
5 -15624
6 -46655
7 -117648
8 -262143
9 -531440
10 -999999
11 -1771560
12 -2985983
13 -4826808
14 -7529535
15 -11390624
16 -16777215
17 -24137568
18 -34012223
19 -47045880
20 -63999999
21 -85766120
22 -113379903
23 -148035888
24 -191102975
25 -244140624
26 -308915775
27 -387420488
28 -481890303

[1,0,-63,-728,-4095,-15624,-46655,-117648,-262143,
 -531440,-999999,-1771560,-2985983,-4826808,
 -7529535,-11390624,-16777215,-24137568,-34012223,
 -47045880,-63999999,-85766120,-113379903,
 -148035888,-191102975,-244140624,-308915775,
 -387420488,-481890303]

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Last modified December 5 20:45 EST 2019. Contains 329779 sequences. (Running on oeis4.)