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A145683 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 28518
9 80801
10 931588
11 15038492
12 166982396
13 1358454930
14 9150616832
15 50926874040
16 233809599765
17 894066458642
18 2860927585152
19 7695094033816
20 17462837266490
21 33526663755928
22 54576674050892

[1,0,0,0,0,0,0,0,28518,80801,931588,15038492,
 166982396,1358454930,9150616832,50926874040,
 233809599765,894066458642,2860927585152,
 7695094033816,17462837266490,33526663755928,
 54576674050892]

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Last modified May 29 22:36 EDT 2024. Contains 372954 sequences. (Running on oeis4.)