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A261857 as a simple table

n a(n)
6 403
7 3090
8 26523
9 178456
10 4328268
11 11655792
12 55380132
13 203857488
14 908020203
15 15089942326
16 32659354659
17 119798424120
18 366557119686
19 1229877368940
20 4069268482608
21 64750089252368
22 122070519766665
23 408439013722194
24 1090232738714433
25 3275624230408044 

[403,3090,26523,178456,4328268,11655792,55380132,
 203857488,908020203,15089942326,32659354659,
 119798424120,366557119686,1229877368940,
 4069268482608,64750089252368,122070519766665,
 408439013722194,1090232738714433,3275624230408044]

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Last modified April 24 07:01 EDT 2024. Contains 371920 sequences. (Running on oeis4.)