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A052201 as a simple table

n a(n)
1 4
2 15
3 48
4 175
5 816
6 4851
7 34960
8 292743
9 2774040
10 29251651
11 339184776
12 4285584615
13 58571107168
14 860622082035
15 13525670637216
16 226358825764711
17 4018390654376520
18 75413358213752643
19 1491684815796629080
20 31014754853346045831
21 676190458445520562896

[4,15,48,175,816,4851,34960,292743,2774040,
 29251651,339184776,4285584615,58571107168,
 860622082035,13525670637216,226358825764711,
 4018390654376520,75413358213752643,
 1491684815796629080,31014754853346045831,
 676190458445520562896]

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Last modified April 25 12:53 EDT 2024. Contains 371969 sequences. (Running on oeis4.)