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A020036 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 1
5 6
6 29
7 177
8 1269
9 10366
10 95020
11 966032
12 10787363
13 131246245
14 1728075563
15 24481070470
16 371296235455
17 6002622473192
18 103045019123133
19 1871984514070245
20 35879703186346359
21 723574014257984910

[1,0,0,0,1,6,29,177,1269,10366,95020,966032,
 10787363,131246245,1728075563,24481070470,
 371296235455,6002622473192,103045019123133,
 1871984514070245,35879703186346359,
 723574014257984910]

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)