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A320050 as a simple table

n a(n)
0 1
1 -7
2 35
3 -140
4 483
5 -1498
6 4277
7 -11425
8 28889
9 -69734
10 161735
11 -362271
12 786877
13 -1662927
14 3428770
15 -6913760
16 13660346
17 -26492361
18 50504755
19 -94766875
20 175221109
21 -319564227
22 575387295
23 -1023624280
24 1800577849
25 -3133695747
26 5399228149
27 -9214458260
28 15584195428

[1,-7,35,-140,483,-1498,4277,-11425,28889,-69734,
 161735,-362271,786877,-1662927,3428770,-6913760,
 13660346,-26492361,50504755,-94766875,175221109,
 -319564227,575387295,-1023624280,1800577849,
 -3133695747,5399228149,-9214458260,15584195428]

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Last modified August 3 10:11 EDT 2024. Contains 374885 sequences. (Running on oeis4.)