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A180460 as a simple table

n a(n)
0 1
1 0
2 0
3 10363
4 136647
5 3018141
6 66411009
7 1636922343
8 31276995183
9 688217286267
10 15200749439001
11 324029599659171
12 7264291502741679
13 160447401116572437
14 3530475812620849113
15 75514126111770824037
16 1662716417771040164631
17 36586320846189859358019
18 804905851136700392012493
19 17704604426749226872106319

[1,0,0,10363,136647,3018141,66411009,1636922343,
 31276995183,688217286267,15200749439001,
 324029599659171,7264291502741679,
 160447401116572437,3530475812620849113,
 75514126111770824037,1662716417771040164631,
 36586320846189859358019,804905851136700392012493,
 17704604426749226872106319]

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Last modified May 2 17:46 EDT 2024. Contains 372203 sequences. (Running on oeis4.)