A045820 - OEIS

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A045820 as a simple table

n	a(n)
0	2
1	24
2	124
3	368
4	746
5	1288
6	2220
7	3536
8	4964
9	6904
10	9536
11	12112
12	15630
13	20592
14	24588
15	29632
16	37472
17	43296
18	50492
19	61456
20	68724
21	79560
22	95404
23	104352
24	118226
25	137392
26	148636
27	167920
28	191904
29	204712

[2,24,124,368,746,1288,2220,3536,4964,6904,9536, 12112,15630,20592,24588,29632,37472,43296,50492, 61456,68724,79560,95404,104352,118226,137392, 148636,167920,191904,204712]