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A158380 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 2
5 0
6 2
7 2
8 4
9 0
10 12
11 16
12 26
13 0
14 66
15 104
16 210
17 0
18 620
19 970
20 1748
21 0
22 5948
23 10480
24 18976
25 0
26 60836
27 111430
28 209460
29 0
30 704934
31 1284836
32 2387758
33 0
34 8331820
35 15525814
36 28987902
37 0
38 101242982
39 190267598
40 358969426
41 0
42 1275032260
43 2404124188
44 4547419694

[1,0,0,0,2,0,2,2,4,0,12,16,26,0,66,104,210,0,620,
 970,1748,0,5948,10480,18976,0,60836,111430,209460,
 0,704934,1284836,2387758,0,8331820,15525814,
 28987902,0,101242982,190267598,358969426,0,
 1275032260,2404124188,4547419694]

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Last modified May 21 15:47 EDT 2024. Contains 372738 sequences. (Running on oeis4.)