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A254231 as a simple table

n a(n)
2 1
3 1
4 2
5 8
6 56
7 728
8 17472
9 768768
10 62270208
11 9278260992
12 2542243511808
13 1281290729951232
14 1187756506664792064
15 2025124843863470469120
16 6350791510355843391160320
17 36631365431732504680212725760
18 388622155865250142152376807587840

[1,1,2,8,56,728,17472,768768,62270208,9278260992,
 2542243511808,1281290729951232,
 1187756506664792064,2025124843863470469120,
 6350791510355843391160320,
 36631365431732504680212725760,
 388622155865250142152376807587840]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)