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A055454 as a simple table

n a(n)
4 1
5 5
6 14
7 28
8 42
9 174
10 735
11 3155
12 13726
13 60398
14 268361
15 1202425
16 5427110
17 24652698
18 112622124
19 517102008
20 2385026330
21 11045344150
22 51341255630
23 239447037890
24 1120163788030
25 5254987411850
26 24716226207075

[1,5,14,28,42,174,735,3155,13726,60398,268361,
 1202425,5427110,24652698,112622124,517102008,
 2385026330,11045344150,51341255630,239447037890,
 1120163788030,5254987411850,24716226207075]

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Last modified April 23 02:23 EDT 2024. Contains 371906 sequences. (Running on oeis4.)