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A080675 as a simple table

n a(n)
1 2
2 12
3 52
4 212
5 852
6 3412
7 13652
8 54612
9 218452
10 873812
11 3495252
12 13981012
13 55924052
14 223696212
15 894784852
16 3579139412
17 14316557652
18 57266230612
19 229064922452
20 916259689812
21 3665038759252
22 14660155037012
23 58640620148052
24 234562480592212
25 938249922368852

[2,12,52,212,852,3412,13652,54612,218452,873812,
 3495252,13981012,55924052,223696212,894784852,
 3579139412,14316557652,57266230612,229064922452,
 916259689812,3665038759252,14660155037012,
 58640620148052,234562480592212,938249922368852]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)