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A009155 as a simple table

n a(n)
0 1
1 12
2 1232
3 -187968
4 -743941888
5 1067281001472
6 11143403147251712
7 -105243085074533203968
8 -981733215490919764000768
9 52944309012028493003521523712
10 -256259148179480526283367831830528

[1,12,1232,-187968,-743941888,1067281001472,
 11143403147251712,-105243085074533203968,
 -981733215490919764000768,
 52944309012028493003521523712,
 -256259148179480526283367831830528]

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Last modified July 14 19:48 EDT 2020. Contains 335729 sequences. (Running on oeis4.)