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A275071 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 4
7 8
8 16
9 40
10 100
11 250
12 625
13 1875
14 5625
15 16875
16 50625
17 175500
18 608400
19 2109120
20 7311616
21 28543424
22 111429136
23 435002204
24 1698181681
25 7336479479
26 31695036961
27 136928804999
28 591559418641
29 2792538190620
30 13182563408400
31 62230116888000

[1,1,1,1,1,2,4,8,16,40,100,250,625,1875,5625,
 16875,50625,175500,608400,2109120,7311616,
 28543424,111429136,435002204,1698181681,
 7336479479,31695036961,136928804999,591559418641,
 2792538190620,13182563408400,62230116888000]

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Last modified May 14 23:22 EDT 2024. Contains 372535 sequences. (Running on oeis4.)