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A308524 as a simple table

n a(n)
0 0
1 0
2 1
3 2
4 11
5 40
6 166
7 658
8 2647
9 10592
10 42446
11 169972
12 680670
13 2725320
14 10910992
15 43678882
16 174843151
17 699839680
18 2801078662
19 11210671612
20 44866276906
21 179552951440
22 718539964132
23 2875389341332
24 11506176209206
25 46042099714240
26 184234059839116
27 737184620655368

[0,0,1,2,11,40,166,658,2647,10592,42446,169972,
 680670,2725320,10910992,43678882,174843151,
 699839680,2801078662,11210671612,44866276906,
 179552951440,718539964132,2875389341332,
 11506176209206,46042099714240,184234059839116,
 737184620655368]

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Last modified April 16 08:27 EDT 2024. Contains 371698 sequences. (Running on oeis4.)