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A104237 as a simple table

n a(n)
0 1
1 -2
2 5
3 -11
4 26
5 -53
6 104
7 -198
8 375
9 -700
10 1299
11 -2401
12 4432
13 -8167
14 15038
15 -27676
16 50925
17 -93686
18 172337
19 -316999
20 583078
21 -1072473
22 1972612
23 -3628226
24 6673379
25 -12274288
26 22575967
27 -41523709
28 76374044
29 -140473803
30 258371642

[1,-2,5,-11,26,-53,104,-198,375,-700,1299,-2401,
 4432,-8167,15038,-27676,50925,-93686,172337,
 -316999,583078,-1072473,1972612,-3628226,6673379,
 -12274288,22575967,-41523709,76374044,-140473803,
 258371642]

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Last modified May 6 10:47 EDT 2024. Contains 372293 sequences. (Running on oeis4.)