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A024483 as a simple table

n a(n)
2 0
3 2
4 10
5 42
6 168
7 660
8 2574
9 10010
10 38896
11 151164
12 587860
13 2288132
14 8914800
15 34767720
16 135727830
17 530365050
18 2074316640
19 8119857900
20 31810737420
21 124718287980
22 489325340400
23 1921133836440
24 7547311500300
25 29667795388452
26 116686713634848

[0,2,10,42,168,660,2574,10010,38896,151164,587860,
 2288132,8914800,34767720,135727830,530365050,
 2074316640,8119857900,31810737420,124718287980,
 489325340400,1921133836440,7547311500300,
 29667795388452,116686713634848]

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Last modified August 14 01:00 EDT 2024. Contains 375146 sequences. (Running on oeis4.)