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A237630 as a simple table

n a(n)
1 81
2 260
3 702
4 1786
5 4621
6 11936
7 30656
8 77576
9 200452
10 515424
11 1325424
12 3365664
13 8687760
14 22278912
15 57336960
16 145904256
17 376379712
18 963592704
19 2481143040
20 6321940992
21 16301843712
22 41692741632
23 107387375616
24 273842325504

[81,260,702,1786,4621,11936,30656,77576,200452,
 515424,1325424,3365664,8687760,22278912,57336960,
 145904256,376379712,963592704,2481143040,
 6321940992,16301843712,41692741632,107387375616,
 273842325504]

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Last modified April 25 11:30 EDT 2024. Contains 371967 sequences. (Running on oeis4.)