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A217676 as a simple table

n a(n)
9 1
10 82
11 4062
12 159404
13 5497718
14 175652924
15 5360393100
16 159281625000
17 4667810722500
18 136102249609224
19 3973117419487320
20 116645785269445696
21 3455520662446396976
22 103544836992023092832
23 3144187412886704149472
24 96883566754646092037696
25 3032518386648514382974097

[1,82,4062,159404,5497718,175652924,5360393100,
 159281625000,4667810722500,136102249609224,
 3973117419487320,116645785269445696,
 3455520662446396976,103544836992023092832,
 3144187412886704149472,96883566754646092037696,
 3032518386648514382974097]

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Last modified May 8 18:04 EDT 2024. Contains 372340 sequences. (Running on oeis4.)