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A279851 as a simple table

n a(n)
1 0
2 4
3 10
4 24
5 54
6 116
7 250
8 528
9 1118
10 2348
11 4930
12 10312
13 21542
14 44900
15 93450
16 194176
17 402926
18 834972
19 1728210
20 3572920
21 7378870
22 15223764
23 31379610
24 64623344
25 132974974
26 273406476
27 561726050
28 1153278248
29 2366208838
30 4851722308

[0,4,10,24,54,116,250,528,1118,2348,4930,10312,
 21542,44900,93450,194176,402926,834972,1728210,
 3572920,7378870,15223764,31379610,64623344,
 132974974,273406476,561726050,1153278248,
 2366208838,4851722308]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)