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A362883 as a simple table

n a(n)
0 -1
1 0
2 0
3 0
4 0
5 4
6 6
7 12
8 24
9 42
10 68
11 122
12 208
13 336
14 552
15 904
16 1464
17 2378
18 3848
19 6232
20 10090
21 16338
22 26446
23 42802
24 69252
25 112072
26 181332
27 293412
28 474762
29 768190
30 1242960
31 2011162
32 3254150
33 5265324
34 8519478
35 13784866
36 22304378
37 36089262
38 58393658
39 94482964
40 152876664

[-1,0,0,0,0,4,6,12,24,42,68,122,208,336,552,904,
 1464,2378,3848,6232,10090,16338,26446,42802,69252,
 112072,181332,293412,474762,768190,1242960,
 2011162,3254150,5265324,8519478,13784866,22304378,
 36089262,58393658,94482964,152876664]

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Last modified August 23 23:25 EDT 2024. Contains 375396 sequences. (Running on oeis4.)