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A106258 as a simple table

n a(n)
0 1
1 4
2 28
3 208
4 1624
5 13024
6 106336
7 879232
8 7338592
9 61699456
10 521753728
11 4433024512
12 37812715264
13 323603221504
14 2777262164992
15 23893731463168
16 206005885076992
17 1779480850438144
18 15396895523989504
19 133420304211238912

[1,4,28,208,1624,13024,106336,879232,7338592,
 61699456,521753728,4433024512,37812715264,
 323603221504,2777262164992,23893731463168,
 206005885076992,1779480850438144,
 15396895523989504,133420304211238912]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)