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A060776 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 10
6 24
7 70
8 192
9 576
10 1890
11 6300
12 21600
13 78848
14 294840
15 1143072
16 4572288
17 18849600
18 79968000
19 348566400
20 1559376000
21 7147140000
22 33522128640
23 160758097500
24 787652812800
25 3938264064000
26 20080974513600
27 104348440350000
28 552160113120000

[1,1,2,4,10,24,70,192,576,1890,6300,21600,78848,
 294840,1143072,4572288,18849600,79968000,
 348566400,1559376000,7147140000,33522128640,
 160758097500,787652812800,3938264064000,
 20080974513600,104348440350000,552160113120000]

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Last modified August 10 19:25 EDT 2024. Contains 375058 sequences. (Running on oeis4.)