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A281595 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 10
5 125
6 1890
7 33621
8 688506
9 15958405
10 413066170
11 11810819141
12 369730963602
13 12577271147805
14 461980538087250
15 18223376862518101
16 768327068469302218
17 34480595937671194805
18 1641060381277816308810
19 82562177153973368528901
20 4378026144983797903473954

[0,0,0,1,10,125,1890,33621,688506,15958405,
 413066170,11810819141,369730963602,12577271147805,
 461980538087250,18223376862518101,
 768327068469302218,34480595937671194805,
 1641060381277816308810,82562177153973368528901,
 4378026144983797903473954]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)