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A027226 as a simple table

n a(n)
3 1
4 11
5 75
6 496
7 2523
8 14903
9 68478
10 389040
11 1705001
12 9552071
13 40792260
14 227758442
15 957346363
16 5353798598
17 22267534284
18 125033595506
19 516148089100
20 2913354375795
21 11958933491775
22 67884893610121
23 277431526202759
24 1583886793301326
25 6449958580342975
26 37029044240499120

[1,11,75,496,2523,14903,68478,389040,1705001,
 9552071,40792260,227758442,957346363,5353798598,
 22267534284,125033595506,516148089100,
 2913354375795,11958933491775,67884893610121,
 277431526202759,1583886793301326,6449958580342975,
 37029044240499120]

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Last modified May 20 05:07 EDT 2024. Contains 372703 sequences. (Running on oeis4.)