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A156605 as a simple table

n a(n)
0 7
1 8
2 12
3 28
4 92
5 348
6 1372
7 5468
8 21852
9 87388
10 349532
11 1398108
12 5592412
13 22369628
14 89478492
15 357913948
16 1431655772
17 5726623068
18 22906492252
19 91625968988
20 366503875932
21 1466015503708
22 5864062014812
23 23456248059228
24 93824992236892
25 375299968947548

[7,8,12,28,92,348,1372,5468,21852,87388,349532,
 1398108,5592412,22369628,89478492,357913948,
 1431655772,5726623068,22906492252,91625968988,
 366503875932,1466015503708,5864062014812,
 23456248059228,93824992236892,375299968947548]

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Last modified June 13 03:46 EDT 2021. Contains 344980 sequences. (Running on oeis4.)