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A138364 as a simple table

n a(n)
0 0
1 1
2 0
3 3
4 0
5 10
6 0
7 35
8 0
9 126
10 0
11 462
12 0
13 1716
14 0
15 6435
16 0
17 24310
18 0
19 92378
20 0
21 352716
22 0
23 1352078
24 0
25 5200300
26 0
27 20058300
28 0
29 77558760
30 0
31 300540195
32 0
33 1166803110
34 0
35 4537567650
36 0
37 17672631900
38 0
39 68923264410
40 0
41 269128937220
42 0

[0,1,0,3,0,10,0,35,0,126,0,462,0,1716,0,6435,0,
 24310,0,92378,0,352716,0,1352078,0,5200300,0,
 20058300,0,77558760,0,300540195,0,1166803110,0,
 4537567650,0,17672631900,0,68923264410,0,
 269128937220,0]

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Last modified June 8 17:52 EDT 2024. Contains 373227 sequences. (Running on oeis4.)