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A074606 as a simple table

n a(n)
0 2
1 8
2 34
3 152
4 706
5 3368
6 16354
7 80312
8 397186
9 1972808
10 9824674
11 49005272
12 244672066
13 1222297448
14 6108298594
15 30531927032
16 152630937346
17 763068593288
18 3815084686114
19 19074648589592
20 95370918425026
21 476847618556328

[2,8,34,152,706,3368,16354,80312,397186,1972808,
 9824674,49005272,244672066,1222297448,6108298594,
 30531927032,152630937346,763068593288,
 3815084686114,19074648589592,95370918425026,
 476847618556328]

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Last modified April 16 19:05 EDT 2024. Contains 371751 sequences. (Running on oeis4.)