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A211577 as a simple table

n a(n)
1 24
2 108
3 294
4 702
5 1560
6 3464
7 7448
8 16498
9 35766
10 80586
11 178192
12 410044
13 925128
14 2169774
15 4976710
16 11850650
17 27515436
18 66271404
19 155211372
20 376977262
21 888276502
22 2170805230
23 5137041172
24 12612008268
25 29937248660
26 73756347602

[24,108,294,702,1560,3464,7448,16498,35766,80586,
 178192,410044,925128,2169774,4976710,11850650,
 27515436,66271404,155211372,376977262,888276502,
 2170805230,5137041172,12612008268,29937248660,
 73756347602]

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Last modified August 9 06:47 EDT 2022. Contains 356018 sequences. (Running on oeis4.)