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A244898 as a simple table

n a(n)
1 4
2 14
3 52
4 198
5 764
6 2740
7 10484
8 40696
9 159332
10 627156
11 2382476
12 9325816
13 36745928
14 140449732
15 551401060
16 2177363676
17 8627713732
18 33486205428
19 132260864136
20 524379503740
21 2041541080656
22 8075260485044
23 32050426949496
24 125201330295448

[4,14,52,198,764,2740,10484,40696,159332,627156,
 2382476,9325816,36745928,140449732,551401060,
 2177363676,8627713732,33486205428,132260864136,
 524379503740,2041541080656,8075260485044,
 32050426949496,125201330295448]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)