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A282393 as a simple table

n a(n)
1 4
2 16
3 57
4 213
5 796
6 2964
7 11049
8 41193
9 153556
10 572424
11 2133897
12 7954765
13 29653852
14 110543980
15 412087129
16 1536183105
17 5726601012
18 21347689024
19 79580160153
20 296659834437
21 1105891936092
22 4122556653316
23 15368114012745
24 57289431819225

[4,16,57,213,796,2964,11049,41193,153556,572424,
 2133897,7954765,29653852,110543980,412087129,
 1536183105,5726601012,21347689024,79580160153,
 296659834437,1105891936092,4122556653316,
 15368114012745,57289431819225]

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)