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A136647 as a simple table

n a(n)
0 1
1 2
2 8
3 84
4 2688
5 276892
6 94978048
7 111457917800
8 457117679616000
9 6660816097416169260
10 349290546231751288553472
11 66597307693046550483175282456
12 46556113319179632622352835689840640

[1,2,8,84,2688,276892,94978048,111457917800,
 457117679616000,6660816097416169260,
 349290546231751288553472,
 66597307693046550483175282456,
 46556113319179632622352835689840640]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)