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A200660 as a simple table

n a(n)
1 0
2 1
3 8
4 49
5 284
6 1658
7 9974
8 62375
9 406832
10 2769493
11 19668054
12 145559632
13 1121153604
14 8974604065
15 74553168520
16 641808575961
17 5718014325296
18 52653303354906
19 500515404889978
20 4905937052293759
21 49530189989912312
22 514541524981377909
23 5494885265473192914 

[0,1,8,49,284,1658,9974,62375,406832,2769493,
 19668054,145559632,1121153604,8974604065,
 74553168520,641808575961,5718014325296,
 52653303354906,500515404889978,4905937052293759,
 49530189989912312,514541524981377909,
 5494885265473192914]

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Last modified June 7 12:16 EDT 2024. Contains 373173 sequences. (Running on oeis4.)