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A002492 as a simple table

n a(n)
0 0
1 4
2 20
3 56
4 120
5 220
6 364
7 560
8 816
9 1140
10 1540
11 2024
12 2600
13 3276
14 4060
15 4960
16 5984
17 7140
18 8436
19 9880
20 11480
21 13244
22 15180
23 17296
24 19600
25 22100
26 24804
27 27720
28 30856
29 34220
30 37820
31 41664
32 45760
33 50116
34 54740
35 59640
36 64824
37 70300
38 76076
39 82160

[0,4,20,56,120,220,364,560,816,1140,1540,2024,
 2600,3276,4060,4960,5984,7140,8436,9880,11480,
 13244,15180,17296,19600,22100,24804,27720,30856,
 34220,37820,41664,45760,50116,54740,59640,64824,
 70300,76076,82160]

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Last modified May 21 02:29 EDT 2024. Contains 372720 sequences. (Running on oeis4.)