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A078819 as a simple table

n a(n)
0 35
1 56
2 140
3 400
4 1225
5 3920
6 12936
7 43680
8 150150
9 523600
10 1847560
11 6584032
12 23661365
13 85652000
14 312018000
15 1142971200
16 4207562730
17 15557374800
18 57750861000
19 215145084000
20 804104751450
21 3014244096864
22 11329763650800
23 42691863032000
24 161238018415500
25 610258100044320

[35,56,140,400,1225,3920,12936,43680,150150,
 523600,1847560,6584032,23661365,85652000,
 312018000,1142971200,4207562730,15557374800,
 57750861000,215145084000,804104751450,
 3014244096864,11329763650800,42691863032000,
 161238018415500,610258100044320]

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Last modified August 4 06:09 EDT 2024. Contains 374905 sequences. (Running on oeis4.)