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A355510 as a simple table

n a(n)
0 0
1 0
2 21
3 112
4 819
5 5712
6 39991
7 279936
8 1959552
9 13716864
10 96018048
11 672126336
12 4704884352
13 32934190464
14 230539333248
15 1613775332736
16 11296427329152
17 79074991304064
18 553524939128448
19 3874674573899136
20 27122722017293952

[0,0,21,112,819,5712,39991,279936,1959552,
 13716864,96018048,672126336,4704884352,
 32934190464,230539333248,1613775332736,
 11296427329152,79074991304064,553524939128448,
 3874674573899136,27122722017293952]

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Last modified June 6 12:03 EDT 2024. Contains 373128 sequences. (Running on oeis4.)