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A281771 as a simple table

n a(n)
1 0
2 120
3 672
4 18358
5 201450
6 2848436
7 38998648
8 491290688
9 6531040026
10 83421129072
11 1061825672182
12 13538745056328
13 170149200534678
14 2139241444399412
15 26751312122710302
16 332989768683012174

[0,120,672,18358,201450,2848436,38998648,
 491290688,6531040026,83421129072,1061825672182,
 13538745056328,170149200534678,2139241444399412,
 26751312122710302,332989768683012174]

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Last modified July 18 11:13 EDT 2024. Contains 374378 sequences. (Running on oeis4.)