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A006423 as a simple table

n a(n)
1 10
2 240
3 2246
4 12656
5 52164
6 173776
7 495820
8 1256992
9 2902702
10 6214208
11 12494482
12 23827440
13 43430088
14 76120288
15 128926232
16 211867328
17 338940050
18 529346384
19 809006814
20 1212404336
21 1784810764
22 2584951600
23 3688170980
24 5190163680
25 7211346870
26 9901950240
27 13447909290

[10,240,2246,12656,52164,173776,495820,1256992,
 2902702,6214208,12494482,23827440,43430088,
 76120288,128926232,211867328,338940050,529346384,
 809006814,1212404336,1784810764,2584951600,
 3688170980,5190163680,7211346870,9901950240,
 13447909290]

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Last modified April 25 12:15 EDT 2024. Contains 371969 sequences. (Running on oeis4.)