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A121293 as a simple table

n a(n)
0 2
1 52
2 4140
3 678570
4 190899322
5 82864869804
6 51724158235372
7 44152005855084346
8 49631246523618756274
9 71339801938860275191172
10 128064670049908713818925644
11 281600203019560266563340426570
12 746289892095625330523099540639146 

[2,52,4140,678570,190899322,82864869804,
 51724158235372,44152005855084346,
 49631246523618756274,71339801938860275191172,
 128064670049908713818925644,
 281600203019560266563340426570,
 746289892095625330523099540639146]

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Last modified May 14 07:28 EDT 2024. Contains 372530 sequences. (Running on oeis4.)