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A047810 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 

[0,4,20,56,120,220,364,560,816,1140,1540,2024,
 2600,3276,4060,4960,5984]

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Last modified July 14 05:06 EDT 2024. Contains 374291 sequences. (Running on oeis4.)