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A220139 as a simple table

n a(n)
1 1
2 2
3 16
4 52
5 160
6 9232
7 27700
8 83104
9 599056
10 1797172
11 5391520
12 38862808
13 131161984
14 393485956
15 1180457872
16 3541373620
17 10624120864
18 87327950740
19 261983852224
20 785951556676
21 2357854670032
22 7553654536192
23 22660963608580
24 67982890825744
25 203948672477236

[1,2,16,52,160,9232,27700,83104,599056,1797172,
 5391520,38862808,131161984,393485956,1180457872,
 3541373620,10624120864,87327950740,261983852224,
 785951556676,2357854670032,7553654536192,
 22660963608580,67982890825744,203948672477236]

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Last modified April 23 05:16 EDT 2024. Contains 371906 sequences. (Running on oeis4.)