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A114693 as a simple table

n a(n)
0 2
1 10
2 48
3 232
4 1138
5 5666
6 28592
7 145984
8 752978
9 3918282
10 20547456
11 108482952
12 576187554
13 3076640898
14 16506527392
15 88938911296
16 481067145826
17 2611212958154
18 14218923060752
19 77653486423528
20 425227486222482

[2,10,48,232,1138,5666,28592,145984,752978,
 3918282,20547456,108482952,576187554,3076640898,
 16506527392,88938911296,481067145826,
 2611212958154,14218923060752,77653486423528,
 425227486222482]

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)