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A218593 as a simple table

n a(n)
1 1
2 13
3 57
4 225
5 895
6 3565
7 14189
8 56489
9 224891
10 895325
11 3564433
12 14190565
13 56494859
14 224914869
15 895421261
16 3564812065
17 14192074291
18 56500867089
19 224938787413
20 895516488309
21 3565191179595
22 14193583605661
23 56506875907213

[1,13,57,225,895,3565,14189,56489,224891,895325,
 3564433,14190565,56494859,224914869,895421261,
 3564812065,14192074291,56500867089,224938787413,
 895516488309,3565191179595,14193583605661,
 56506875907213]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)