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A252263 as a simple table

n a(n)
1 130
2 272
3 822
4 2290
5 6164
6 17008
7 47094
8 129530
9 356572
10 982904
11 2707976
12 7459326
13 20550724
14 56618068
15 155978958
16 429715562
17 1183856500
18 3261484928
19 8985276082
20 24754144796
21 68196859814
22 187880079930
23 517603410590
24 1425980330978

[130,272,822,2290,6164,17008,47094,129530,356572,
 982904,2707976,7459326,20550724,56618068,
 155978958,429715562,1183856500,3261484928,
 8985276082,24754144796,68196859814,187880079930,
 517603410590,1425980330978]

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Last modified May 21 21:43 EDT 2022. Contains 353929 sequences. (Running on oeis4.)