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A083844 as a simple table

n a(n)
1 2
2 4
3 10
4 19
5 51
6 112
7 316
8 841
9 2378
10 6656
11 18822
12 54110
13 156081
14 456362
15 1339875
16 3954181
17 11726896
18 34900213
19 104248948
20 312357934
21 938457801
22 2826683630
23 8533327397
24 25814570672
25 78239402726
26 237542444180
27 722354138859
28 2199894223892

[2,4,10,19,51,112,316,841,2378,6656,18822,54110,
 156081,456362,1339875,3954181,11726896,34900213,
 104248948,312357934,938457801,2826683630,
 8533327397,25814570672,78239402726,237542444180,
 722354138859,2199894223892]

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Last modified December 15 20:10 EST 2018. Contains 318154 sequences. (Running on oeis4.)