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A197244 as a simple table

n a(n)
1 2
2 4
3 8
4 16
5 40
6 80
7 192
8 400
9 936
10 1984
11 4576
12 9824
13 22408
14 48560
15 109888
16 239728
17 539432
18 1182432
19 2649952
20 5828544
21 13024648
22 28717648
23 64040768
24 141448528
25 314965928
26 696544000
27 1549366240
28 3429474848
29 7622621832
30 16883244016

[2,4,8,16,40,80,192,400,936,1984,4576,9824,22408,
 48560,109888,239728,539432,1182432,2649952,
 5828544,13024648,28717648,64040768,141448528,
 314965928,696544000,1549366240,3429474848,
 7622621832,16883244016]

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Last modified April 25 11:35 EDT 2024. Contains 371968 sequences. (Running on oeis4.)