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A213449 as a simple table

n a(n)
0 1
1 12
2 240
3 4032
4 34560
5 101376
6 50319360
7 6635520
8 451215360
9 42361159680
10 1471492915200
11 1758147379200
12 417368899584000
13 15410543984640
14 141874849382400
15 28026642660065280
16 922166952040857600
17 19725496300339200
18 2163255728265599385600
19 36926129074234982400

[1,12,240,4032,34560,101376,50319360,6635520,
 451215360,42361159680,1471492915200,1758147379200,
 417368899584000,15410543984640,141874849382400,
 28026642660065280,922166952040857600,
 19725496300339200,2163255728265599385600,
 36926129074234982400]

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Last modified May 9 14:31 EDT 2024. Contains 372351 sequences. (Running on oeis4.)