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A027807 as a simple table

n a(n)
7 330
8 4455
9 32175
10 165165
11 675675
12 2342340
13 7147140
14 19691100
15 49884120
16 117781950
17 261891630
18 552882330
19 1115464350
20 2162284740
21 4045090500
22 7330194300
23 12907516050
24 22145248125
25 37105593525
26 60841155375
27 97796523825
28 154345534200
29 239501691000
30 365847510600

[330,4455,32175,165165,675675,2342340,7147140,
 19691100,49884120,117781950,261891630,552882330,
 1115464350,2162284740,4045090500,7330194300,
 12907516050,22145248125,37105593525,60841155375,
 97796523825,154345534200,239501691000,
 365847510600]

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Last modified July 12 21:31 EDT 2020. Contains 335669 sequences. (Running on oeis4.)