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A261325 as a simple table

n a(n)
0 1
1 -3
2 8
3 -18
4 38
5 -75
6 140
7 -252
8 439
9 -744
10 1232
11 -1998
12 3182
13 -4986
14 7700
15 -11736
16 17673
17 -26322
18 38808
19 -56682
20 82070
21 -117867
22 167996
23 -237744
24 334202
25 -466836
26 648224
27 -895014
28 1229148
29 -1679436
30 2283568
31 -3090672
32 4164578
33 -5587941
34 7467464
35 -9940482

[1,-3,8,-18,38,-75,140,-252,439,-744,1232,-1998,
 3182,-4986,7700,-11736,17673,-26322,38808,-56682,
 82070,-117867,167996,-237744,334202,-466836,
 648224,-895014,1229148,-1679436,2283568,-3090672,
 4164578,-5587941,7467464,-9940482]

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Last modified April 16 00:41 EDT 2024. Contains 371696 sequences. (Running on oeis4.)