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A145914 as a simple table

n a(n)
1 5
2 24
3 91
4 315
5 1030
6 3265
7 10113
8 30811
9 92674
10 275947
11 814940
12 2390374
13 6971243
14 20231089
15 58462783
16 168314905
17 482990543
18 1381928691
19 3943632121
20 11227515044
21 31896566383
22 90440011395
23 255980057462
24 723342392122
25 2040937869097
26 5750599584280
27 16182211978468

[5,24,91,315,1030,3265,10113,30811,92674,275947,
 814940,2390374,6971243,20231089,58462783,
 168314905,482990543,1381928691,3943632121,
 11227515044,31896566383,90440011395,255980057462,
 723342392122,2040937869097,5750599584280,
 16182211978468]

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)