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A005200 as a simple table

n a(n)
1 1
2 2
3 4
4 11
5 28
6 78
7 213
8 598
9 1670
10 4723
11 13356
12 37986
13 108193
14 309169
15 884923
16 2538369
17 7292170
18 20982220
19 60451567
20 174385063
21 503600439
22 1455827279
23 4212464112
24 12199373350
25 35357580112
26 102552754000
27 297651592188
28 864460682777
29 2512115979800
30 7304240074858

[1,2,4,11,28,78,213,598,1670,4723,13356,37986,
 108193,309169,884923,2538369,7292170,20982220,
 60451567,174385063,503600439,1455827279,
 4212464112,12199373350,35357580112,102552754000,
 297651592188,864460682777,2512115979800,
 7304240074858]

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Last modified August 8 02:45 EDT 2020. Contains 336290 sequences. (Running on oeis4.)