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A334978 as a simple table

n a(n)
0 0
1 0
2 6
3 52
4 409
5 3208
6 25484
7 205452
8 1679332
9 13894848
10 116193246
11 980658172
12 8343605534
13 71492410640
14 616418176920
15 5344364518140
16 46565472754044
17 407529832131712
18 3580911446989368
19 31579384975219920
20 279414033129153065
21 2479725948121016040

[0,0,6,52,409,3208,25484,205452,1679332,13894848,
 116193246,980658172,8343605534,71492410640,
 616418176920,5344364518140,46565472754044,
 407529832131712,3580911446989368,
 31579384975219920,279414033129153065,
 2479725948121016040]

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Last modified April 25 13:33 EDT 2024. Contains 371971 sequences. (Running on oeis4.)