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A009988 as a simple table

n a(n)
0 1
1 44
2 1936
3 85184
4 3748096
5 164916224
6 7256313856
7 319277809664
8 14048223625216
9 618121839509504
10 27197360938418176
11 1196683881290399744
12 52654090776777588736
13 2316779994178213904384
14 101938319743841411792896 

[1,44,1936,85184,3748096,164916224,7256313856,
 319277809664,14048223625216,618121839509504,
 27197360938418176,1196683881290399744,
 52654090776777588736,2316779994178213904384,
 101938319743841411792896]

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Last modified April 24 07:50 EDT 2024. Contains 371922 sequences. (Running on oeis4.)