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A092786 as a simple table

n a(n)
1 3
2 20
3 93
4 390
5 1530
6 5768
7 21142
8 75908
9 268282
10 936480
11 3236244
12 11091230
13 37747805
14 127710397
15 429872190
16 1440515533
17 4808357581
18 15994483255
19 53039715042
20 175399135922
21 578584268700
22 1904232092224
23 6254245258553

[3,20,93,390,1530,5768,21142,75908,268282,936480,
 3236244,11091230,37747805,127710397,429872190,
 1440515533,4808357581,15994483255,53039715042,
 175399135922,578584268700,1904232092224,
 6254245258553]

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Last modified April 24 13:30 EDT 2024. Contains 371957 sequences. (Running on oeis4.)