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A305108 as a simple table

n a(n)
0 1
1 1
2 12
3 342
4 16080
5 1090400
6 99884736
7 11885278104
8 1786708056832
9 331931252093472
10 74805826012157600
11 20127855750577630968
12 6377560491906482613120
13 2351353212746078192866032
14 998307775668524681354287776
15 483648245019895895020555792200
16 265226237170176555086800587134976
17 163463812810277012465203148994919744
18 112505648337664454361768261713783693856 

[1,1,12,342,16080,1090400,99884736,11885278104,
 1786708056832,331931252093472,74805826012157600,
 20127855750577630968,6377560491906482613120,
 2351353212746078192866032,
 998307775668524681354287776,
 483648245019895895020555792200,
 265226237170176555086800587134976,
 163463812810277012465203148994919744,
 112505648337664454361768261713783693856]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)