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A001116 as a simple table

n a(n)
0 0
1 2
2 6
3 12
4 24
5 40
6 72
7 126
8 240
9 272

[0,2,6,12,24,40,72,126,240,272]

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)