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A027779 as a simple table

n a(n)
4 15
5 126
6 588
7 2016
8 5670
9 13860
10 30492
11 61776
12 117117
13 210210
14 360360
15 594048
16 946764
17 1465128
18 2209320
19 3255840
20 4700619
21 6662502
22 9287124
23 12751200
24 17267250
25 23088780
26 30515940
27 39901680
28 51658425
29 66265290
30 84275856
31 106326528
32 133145496
33 165562320
34 204518160

[15,126,588,2016,5670,13860,30492,61776,117117,
 210210,360360,594048,946764,1465128,2209320,
 3255840,4700619,6662502,9287124,12751200,17267250,
 23088780,30515940,39901680,51658425,66265290,
 84275856,106326528,133145496,165562320,204518160]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)