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A177408 as a simple table

n a(n)
1 1
2 2
3 8
4 40
5 224
6 1352
7 8576
8 56352
9 380160
10 2617584
11 18320384
12 129950912
13 932114432
14 6749344832
15 49268899840
16 362189529344
17 2678989406208
18 19923485019840
19 148887398711296
20 1117452514604800
21 8419605676818432

[1,2,8,40,224,1352,8576,56352,380160,2617584,
 18320384,129950912,932114432,6749344832,
 49268899840,362189529344,2678989406208,
 19923485019840,148887398711296,1117452514604800,
 8419605676818432]

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Last modified May 7 05:23 EDT 2024. Contains 372300 sequences. (Running on oeis4.)