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A022352 as a simple table

n a(n)
0 0
1 18
2 18
3 36
4 54
5 90
6 144
7 234
8 378
9 612
10 990
11 1602
12 2592
13 4194
14 6786
15 10980
16 17766
17 28746
18 46512
19 75258
20 121770
21 197028
22 318798
23 515826
24 834624
25 1350450
26 2185074
27 3535524
28 5720598
29 9256122
30 14976720

[0,18,18,36,54,90,144,234,378,612,990,1602,2592,
 4194,6786,10980,17766,28746,46512,75258,121770,
 197028,318798,515826,834624,1350450,2185074,
 3535524,5720598,9256122,14976720]

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Last modified April 24 06:39 EDT 2024. Contains 371920 sequences. (Running on oeis4.)