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A121782 as a simple table

n a(n)
1 0
2 8
3 66
4 288
5 900
6 2280
7 4998
8 9856
9 17928
10 30600
11 49610
12 77088
13 115596
14 168168
15 238350
16 330240
17 448528
18 598536
19 786258
20 1018400
21 1302420
22 1646568
23 2059926
24 2552448
25 3135000
26 3819400
27 4618458
28 5546016
29 6616988
30 7847400

[0,8,66,288,900,2280,4998,9856,17928,30600,49610,
 77088,115596,168168,238350,330240,448528,598536,
 786258,1018400,1302420,1646568,2059926,2552448,
 3135000,3819400,4618458,5546016,6616988,7847400]

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Last modified April 16 14:05 EDT 2024. Contains 371740 sequences. (Running on oeis4.)