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A230912 as a simple table

n a(n)
1 0
2 2
3 164
4 5714
5 221768
6 9144134
7 372256436
8 15083831290
9 611930935216
10 24834134356510
11 1007737924024732
12 40891632273267442
13 1659302731260314936
14 67331404086209327030
15 2732180126250261658692
16 110866649653148718923818

[0,2,164,5714,221768,9144134,372256436,
 15083831290,611930935216,24834134356510,
 1007737924024732,40891632273267442,
 1659302731260314936,67331404086209327030,
 2732180126250261658692,110866649653148718923818]

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)