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A122229 as a simple table

n a(n)
0 0
1 2
2 12
3 56
4 228
5 920
6 3684
7 14744
8 58980
9 235928
10 943716
11 3774872
12 15099492
13 60397976
14 241591908
15 966367640
16 3865470564
17 15461882264
18 61847529060
19 247390116248
20 989560464996
21 3958241859992
22 15832967439972

[0,2,12,56,228,920,3684,14744,58980,235928,943716,
 3774872,15099492,60397976,241591908,966367640,
 3865470564,15461882264,61847529060,247390116248,
 989560464996,3958241859992,15832967439972]

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Last modified April 24 19:52 EDT 2024. Contains 371963 sequences. (Running on oeis4.)