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A205500 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 11
5 24
6 73
7 171
8 500
9 1276
10 3698
11 9588
12 28119
13 75094
14 217835
15 599077
16 1736639
17 4842231
18 14092249
19 39844806
20 116011719
21 331986975
22 969188079
23 2796468133
24 8188982136
25 23798219204
26 69884802788
27 204303838580
28 601666227876
29 1767334874977
30 5219585473815

[1,1,2,4,11,24,73,171,500,1276,3698,9588,28119,
 75094,217835,599077,1736639,4842231,14092249,
 39844806,116011719,331986975,969188079,2796468133,
 8188982136,23798219204,69884802788,204303838580,
 601666227876,1767334874977,5219585473815]

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Last modified December 7 09:38 EST 2016. Contains 278849 sequences.