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A012669 as a simple table

n a(n)
0 2
1 352
2 1140992
3 18447112192
4 921987413245952
5 110532127751546601472
6 27112825353492257048625152
7 12196239245956706589164638830592 

[2,352,1140992,18447112192,921987413245952,
 110532127751546601472,27112825353492257048625152,
 12196239245956706589164638830592]

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Last modified September 19 18:07 EDT 2024. Contains 376014 sequences. (Running on oeis4.)