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A090446 as a simple table

n a(n)
-1 1
0 0
1 1
2 0
3 2
4 0
5 -3118
6 0
7 442703522
8 0
9 -13347247554466558
10 0
11 148707543361999816132646402
12 0
13 -915656396935528170667809129675491481598
14 0
15 4312599964271304706198945861064290667787580951294464002
16 0

[1,0,1,0,2,0,-3118,0,442703522,0,
 -13347247554466558,0,148707543361999816132646402,
 0,-915656396935528170667809129675491481598,0,
 43125999642713047061989458610642906677875809512944\
 64002,0]

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Last modified June 25 16:08 EDT 2022. Contains 354851 sequences. (Running on oeis4.)