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A316213 as a simple table

n a(n)
1 4
2 14
3 28
4 75
5 250
6 706
7 2116
8 6399
9 19179
10 57552
11 173123
12 520515
13 1564516
14 4704272
15 14144805
16 42529166
17 127877045
18 384503591
19 1156133200
20 3476296651
21 10452650138
22 31429406405
23 94503128515
24 284155666181
25 854410380210
26 2569074895741

[4,14,28,75,250,706,2116,6399,19179,57552,173123,
 520515,1564516,4704272,14144805,42529166,
 127877045,384503591,1156133200,3476296651,
 10452650138,31429406405,94503128515,284155666181,
 854410380210,2569074895741]

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Last modified June 3 05:29 EDT 2020. Contains 334798 sequences. (Running on oeis4.)