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A202380 as a simple table

n a(n)
0 1
1 3
2 15
3 5670
4 1134
5 311850
6 364864500
7 3831077250
8 390769879500
9 3508136593211250
10 58468943220187500
11 4437792790412231250
12 3234019037547375000
13 18172761476738086968750
14 1054020165650809044187500
15 3329928708628872161217656250
16 3396527282801449604442009375000
17 3331209450439883265895047656250

[1,3,15,5670,1134,311850,364864500,3831077250,
 390769879500,3508136593211250,58468943220187500,
 4437792790412231250,3234019037547375000,
 18172761476738086968750,1054020165650809044187500,
 3329928708628872161217656250,
 3396527282801449604442009375000,
 3331209450439883265895047656250]

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)