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A025260 as a simple table

n a(n)
1 2
2 -2
3 1
4 2
5 2
6 1
7 2
8 10
9 26
10 44
11 68
12 149
13 398
14 938
15 1918
16 3916
17 8892
18 21258
19 49028
20 108580
21 242132
22 558456
23 1306824
24 3026445
25 6938518
26 15984346
27 37243510
28 87188492
29 203625452
30 474753470
31 1110012828
32 2606486124
33 6132979116
34 14430908200
35 33968899384

[2,-2,1,2,2,1,2,10,26,44,68,149,398,938,1918,3916,
 8892,21258,49028,108580,242132,558456,1306824,
 3026445,6938518,15984346,37243510,87188492,
 203625452,474753470,1110012828,2606486124,
 6132979116,14430908200,33968899384]

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Last modified August 7 06:58 EDT 2024. Contains 375008 sequences. (Running on oeis4.)