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A006542 as a simple table

n a(n)
4 1
5 10
6 50
7 175
8 490
9 1176
10 2520
11 4950
12 9075
13 15730
14 26026
15 41405
16 63700
17 95200
18 138720
19 197676
20 276165
21 379050
22 512050
23 681835
24 896126
25 1163800
26 1495000
27 1901250
28 2395575
29 2992626
30 3708810
31 4562425
32 5573800
33 6765440
34 8162176
35 9791320
36 11682825
37 13869450

[1,10,50,175,490,1176,2520,4950,9075,15730,26026,
 41405,63700,95200,138720,197676,276165,379050,
 512050,681835,896126,1163800,1495000,1901250,
 2395575,2992626,3708810,4562425,5573800,6765440,
 8162176,9791320,11682825,13869450]

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Last modified February 20 13:20 EST 2020. Contains 332077 sequences. (Running on oeis4.)