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A023939 as a simple table

n a(n)
0 1
1 0
2 5346
3 98304
4 918432
5 4587520
6 19177024
7 57212928
8 165906146
9 376963072
10 883961280
11 1698136064
12 3470990016
13 5941886976
14 11030584064
15 17382047744
16 30021568416
17 44448612352
18 72629554338
19 102332399616
20 160092212672
21 216807505920
22 327100501440
23 428995051520

[1,0,5346,98304,918432,4587520,19177024,57212928,
 165906146,376963072,883961280,1698136064,
 3470990016,5941886976,11030584064,17382047744,
 30021568416,44448612352,72629554338,102332399616,
 160092212672,216807505920,327100501440,
 428995051520]

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Last modified August 17 19:02 EDT 2024. Contains 375227 sequences. (Running on oeis4.)