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A118417 as a simple table

n a(n)
0 2
1 12
2 40
3 112
4 288
5 704
6 1664
7 3840
8 8704
9 19456
10 43008
11 94208
12 204800
13 442368
14 950272
15 2031616
16 4325376
17 9175040
18 19398656
19 40894464
20 85983232
21 180355072
22 377487360
23 788529152
24 1644167168
25 3422552064
26 7113539584
27 14763950080
28 30601641984
29 63350767616

[2,12,40,112,288,704,1664,3840,8704,19456,43008,
 94208,204800,442368,950272,2031616,4325376,
 9175040,19398656,40894464,85983232,180355072,
 377487360,788529152,1644167168,3422552064,
 7113539584,14763950080,30601641984,63350767616]

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Last modified June 21 10:19 EDT 2024. Contains 373543 sequences. (Running on oeis4.)