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A094648 as a simple table

n a(n)
0 3
1 -1
2 5
3 -4
4 13
5 -16
6 38
7 -57
8 117
9 -193
10 370
11 -639
12 1186
13 -2094
14 3827
15 -6829
16 12389
17 -22220
18 40169
19 -72220
20 130338
21 -234609
22 423065
23 -761945
24 1373466
25 -2474291
26 4459278
27 -8034394
28 14478659
29 -26088169
30 47011093
31 -84708772
32 152642789
33 -275049240

[3,-1,5,-4,13,-16,38,-57,117,-193,370,-639,1186,
 -2094,3827,-6829,12389,-22220,40169,-72220,130338,
 -234609,423065,-761945,1373466,-2474291,4459278,
 -8034394,14478659,-26088169,47011093,-84708772,
 152642789,-275049240]

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Last modified April 18 03:33 EDT 2024. Contains 371767 sequences. (Running on oeis4.)