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A270316 as a simple table

n a(n)
1 2
2 2
3 8
4 123
5 149367
6 19877572990
7 3398650153657920854371
8 38501744904404393452660892011327652171148221
9 1751742507912624184333715455628345093210972368514121272905550101268413741408122585972087

[2,2,8,123,149367,19877572990,
 3398650153657920854371,
 38501744904404393452660892011327652171148221,
 17517425079126241843337154556283450932109723685141\
 21272905550101268413741408122585972087]

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Last modified February 26 20:23 EST 2020. Contains 332295 sequences. (Running on oeis4.)