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A231125 as a simple table

n a(n)
1 2
2 8
3 40
4 176
5 808
6 3584
7 16368
8 72640
9 331648
10 1471872
11 6719936
12 29823488
13 136161152
14 604291584
15 2758934016
16 12244319232
17 55902265856
18 248097701888
19 1132706802688
20 5027022614528
21 22951211032576
22 101858889359360

[2,8,40,176,808,3584,16368,72640,331648,1471872,
 6719936,29823488,136161152,604291584,2758934016,
 12244319232,55902265856,248097701888,
 1132706802688,5027022614528,22951211032576,
 101858889359360]

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Last modified April 24 17:02 EDT 2024. Contains 371962 sequences. (Running on oeis4.)