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A250162 as a simple table

n a(n)
1 4
2 20
3 96
4 436
5 1880
6 7836
7 32032
8 129572
9 521256
10 2091052
11 8376368
12 33529908
13 134168632
14 536772668
15 2147287104
16 8589541444
17 34358952008
18 137437380684
19 549752668240
20 2199016964180
21 8796080439384
22 35184346923100
23 140737438023776

[4,20,96,436,1880,7836,32032,129572,521256,
 2091052,8376368,33529908,134168632,536772668,
 2147287104,8589541444,34358952008,137437380684,
 549752668240,2199016964180,8796080439384,
 35184346923100,140737438023776]

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Last modified April 18 02:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)