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A183485 as a simple table

n a(n)
1 4
2 28
3 88
4 400
5 1936
6 8368
7 38272
8 176320
9 800512
10 3661312
11 16761088
12 76588288
13 350288896
14 1602288640
15 7327467520
16 33513336832
17 153280811008
18 701043896320
19 3206335627264
20 14664712241152
21 67071268225024
22 306761100427264

[4,28,88,400,1936,8368,38272,176320,800512,
 3661312,16761088,76588288,350288896,1602288640,
 7327467520,33513336832,153280811008,701043896320,
 3206335627264,14664712241152,67071268225024,
 306761100427264]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)