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A371230 as a simple table

n a(n)
0 1
1 0
2 2
3 3
4 128
5 750
6 29964
7 377160
8 15795072
9 329631120
10 15001287120
11 449174341440
12 22551082739712
13 885381886509120
14 49302509206648320
15 2391802812599316480
16 147728974730632012800
17 8502972330919072688640
18 580806950108814502345728 

[1,0,2,3,128,750,29964,377160,15795072,329631120,
 15001287120,449174341440,22551082739712,
 885381886509120,49302509206648320,
 2391802812599316480,147728974730632012800,
 8502972330919072688640,580806950108814502345728]

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Last modified June 10 10:32 EDT 2024. Contains 373264 sequences. (Running on oeis4.)