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A318008 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 4
6 9
7 21
8 50
9 122
10 302
11 758
12 1928
13 4958
14 12849
15 33509
16 88122
17 233810
18 621022
19 1641150
20 4411180
21 12364368
22 33073210
23 71807506
24 206985492
25 1354944972
26 3153779248
27 -33794258600
28 -62697691948
29 2524565441138
30 5004344042337
31 -186642439700891
32 -368380986364150
33 16196862324254354
34 32039943659306982
35 -1602823227559245434

[1,1,1,2,4,9,21,50,122,302,758,1928,4958,12849,
 33509,88122,233810,621022,1641150,4411180,
 12364368,33073210,71807506,206985492,1354944972,
 3153779248,-33794258600,-62697691948,
 2524565441138,5004344042337,-186642439700891,
 -368380986364150,16196862324254354,
 32039943659306982,-1602823227559245434]

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Last modified January 27 01:45 EST 2021. Contains 340443 sequences. (Running on oeis4.)