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A073969 as a simple table

n a(n)
1 0
2 2
3 6
4 30
5 125
6 650
7 3150
8 15750
9 78000
10 390625
11 1952500
12 9768750
13 48831250
14 244156250
15 1220703125
16 6103593750
17 30517656250
18 152588281250
19 762939062500
20 3814697265625
21 19073484375000
22 95367441406250
23 476837167968750
24 2384185839843750
25 11920928955078125

[0,2,6,30,125,650,3150,15750,78000,390625,1952500,
 9768750,48831250,244156250,1220703125,6103593750,
 30517656250,152588281250,762939062500,
 3814697265625,19073484375000,95367441406250,
 476837167968750,2384185839843750,
 11920928955078125]

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Last modified August 13 16:51 EDT 2024. Contains 375144 sequences. (Running on oeis4.)