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A013200 as a simple table

n a(n)
0 0
1 1
2 0
3 1
4 0
5 13
6 -48
7 677
8 -4480
9 54937
10 -471680
11 6248713
12 -65916928
13 988579109
14 -12514310144
15 212756765101
16 -3159842455552
17 60179200959793
18 -1026648500830208
19 21632158018229009
20 -416691460525064192

[0,1,0,1,0,13,-48,677,-4480,54937,-471680,6248713,
 -65916928,988579109,-12514310144,212756765101,
 -3159842455552,60179200959793,-1026648500830208,
 21632158018229009,-416691460525064192]

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Last modified April 23 02:14 EDT 2024. Contains 371906 sequences. (Running on oeis4.)