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A007654 as a simple table

n a(n)
1 0
2 3
3 48
4 675
5 9408
6 131043
7 1825200
8 25421763
9 354079488
10 4931691075
11 68689595568
12 956722646883
13 13325427460800
14 185599261804323
15 2585064237799728
16 36005300067391875
17 501489136705686528
18 6984842613812219523
19 97286307456665386800
20 1355023461779503195683

[0,3,48,675,9408,131043,1825200,25421763,
 354079488,4931691075,68689595568,956722646883,
 13325427460800,185599261804323,2585064237799728,
 36005300067391875,501489136705686528,
 6984842613812219523,97286307456665386800,
 1355023461779503195683]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)