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A026330 as a simple table

n a(n)
0 0
1 3
2 16
3 90
4 504
5 2849
6 16224
7 92988
8 535840
9 3101769
10 18023856
11 105076972
12 614318040
13 3600356175
14 21146233920
15 124436295054
16 733493553408
17 4330155834122
18 25597817572320
19 151508857016244
20 897759260100648
21 5325078489063039

[0,3,16,90,504,2849,16224,92988,535840,3101769,
 18023856,105076972,614318040,3600356175,
 21146233920,124436295054,733493553408,
 4330155834122,25597817572320,151508857016244,
 897759260100648,5325078489063039]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)