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A013100 as a simple table

n a(n)
0 1
1 4
2 24
3 534
4 16520
5 1017914
6 66612612
7 8612481206
8 839464647792
9 223263066398386
10 20349154329810172
11 15355587487339427086
12 -408311328299061735320
13 2681720930486026740373066
14 -832148640269649203971185996
15 1101363338244005265784426750566 

[1,4,24,534,16520,1017914,66612612,8612481206,
 839464647792,223263066398386,20349154329810172,
 15355587487339427086,-408311328299061735320,
 2681720930486026740373066,
 -832148640269649203971185996,
 1101363338244005265784426750566]

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Last modified June 16 02:19 EDT 2024. Contains 373416 sequences. (Running on oeis4.)