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A057819 as a simple table

n a(n)
0 4
1 9
2 32
3 119
4 444
5 1657
6 6184
7 23079
8 86132
9 321449
10 1199664
11 4477207
12 16709164
13 62359449
14 232728632
15 868555079
16 3241491684
17 12097411657
18 45148154944
19 168495208119
20 628832677532
21 2346835502009
22 8758509330504
23 32687201820007

[4,9,32,119,444,1657,6184,23079,86132,321449,
 1199664,4477207,16709164,62359449,232728632,
 868555079,3241491684,12097411657,45148154944,
 168495208119,628832677532,2346835502009,
 8758509330504,32687201820007]

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Last modified April 27 14:26 EDT 2024. Contains 372019 sequences. (Running on oeis4.)