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A009785 as a simple table

n a(n)
0 0
1 1
2 1
3 0
4 -12
5 -45
6 -65
7 1400
8 12096
9 52269
10 -469307
11 -8565656
12 -73323052
13 223125903
14 11882866931
15 176275489312
16 328262199968
17 -26579607201031
18 -672646430878551
19 -4665154122148880
20 76898559105113236
21 3784100596619704043

[0,1,1,0,-12,-45,-65,1400,12096,52269,-469307,
 -8565656,-73323052,223125903,11882866931,
 176275489312,328262199968,-26579607201031,
 -672646430878551,-4665154122148880,
 76898559105113236,3784100596619704043]

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Last modified May 14 07:57 EDT 2024. Contains 372530 sequences. (Running on oeis4.)