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A160908 as a simple table

n a(n)
1 1
2 255
3 3280
4 32640
5 97656
6 836400
7 960800
8 4177920
9 7173360
10 24902280
11 21435888
12 107059200
13 67977560
14 245004000
15 320311680
16 534773760
17 435984840
18 1829206800
19 943531280
20 3187491840
21 3151424000
22 5466151440
23 3559590240
24 13703577600

[1,255,3280,32640,97656,836400,960800,4177920,
 7173360,24902280,21435888,107059200,67977560,
 245004000,320311680,534773760,435984840,
 1829206800,943531280,3187491840,3151424000,
 5466151440,3559590240,13703577600]

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Last modified December 12 07:02 EST 2018. Contains 318051 sequences. (Running on oeis4.)