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A253005 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 250
6 54219
7 14697256
8 5713126349
9 3406380649146
10 3235013673306411
11 5006915703789559516
12 12814921349279258614386
13 54759970343589573849950696
14 393147238947490609962950665584
15 4762079888047633609309896734274288

[0,0,0,1,250,54219,14697256,5713126349,
 3406380649146,3235013673306411,
 5006915703789559516,12814921349279258614386,
 54759970343589573849950696,
 393147238947490609962950665584,
 4762079888047633609309896734274288]

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Last modified April 24 06:39 EDT 2024. Contains 371920 sequences. (Running on oeis4.)