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A028544 as a simple table

n a(n)
0 1
1 0
2 0
3 6487
4 58422
5 569829
6 3352323
7 18437679
8 82994106
9 348339797
10 1310464389
11 4650749220
12 15379052975
13 48512285916
14 145469679888
15 419752300006
16 1165090913961
17 3132596831559
18 8164711662419
19 20718093427629
20 51236693043471
21 123846409657100
22 292897534403136

[1,0,0,6487,58422,569829,3352323,18437679,
 82994106,348339797,1310464389,4650749220,
 15379052975,48512285916,145469679888,419752300006,
 1165090913961,3132596831559,8164711662419,
 20718093427629,51236693043471,123846409657100,
 292897534403136]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)