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A008385 as a simple table

n a(n)
0 1
1 30
2 240
3 1010
4 2970
5 7002
6 14240
7 26070
8 44130
9 70310
10 106752
11 155850
12 220250
13 302850
14 406800
15 535502
16 692610
17 882030
18 1107920
19 1374690
20 1687002
21 2049770
22 2468160
23 2947590
24 3493730
25 4112502
26 4810080
27 5592890
28 6467610
29 7441170
30 8520752

[1,30,240,1010,2970,7002,14240,26070,44130,70310,
 106752,155850,220250,302850,406800,535502,692610,
 882030,1107920,1374690,1687002,2049770,2468160,
 2947590,3493730,4112502,4810080,5592890,6467610,
 7441170,8520752]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)