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A126120 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 2
5 0
6 5
7 0
8 14
9 0
10 42
11 0
12 132
13 0
14 429
15 0
16 1430
17 0
18 4862
19 0
20 16796
21 0
22 58786
23 0
24 208012
25 0
26 742900
27 0
28 2674440
29 0
30 9694845
31 0
32 35357670
33 0
34 129644790
35 0
36 477638700
37 0
38 1767263190
39 0
40 6564120420
41 0
42 24466267020
43 0
44 91482563640
45 0
46 343059613650
47 0

[1,0,1,0,2,0,5,0,14,0,42,0,132,0,429,0,1430,0,
 4862,0,16796,0,58786,0,208012,0,742900,0,2674440,
 0,9694845,0,35357670,0,129644790,0,477638700,0,
 1767263190,0,6564120420,0,24466267020,0,
 91482563640,0,343059613650,0]

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Last modified April 26 16:30 EDT 2024. Contains 372003 sequences. (Running on oeis4.)