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A192069 as a simple table

n a(n)
1 0
2 1
3 4
4 18
5 60
6 186
7 522
8 1380
9 3459
10 8321
11 19332
12 43629
13 96045
14 206953
15 437677
16 910549
17 1866952
18 3778561
19 7558953
20 14963504
21 29340482
22 57033862
23 109989752
24 210575822
25 400452782
26 756836537
27 1422191570
28 2658250044
29 4943946756
30 9152396892

[0,1,4,18,60,186,522,1380,3459,8321,19332,43629,
 96045,206953,437677,910549,1866952,3778561,
 7558953,14963504,29340482,57033862,109989752,
 210575822,400452782,756836537,1422191570,
 2658250044,4943946756,9152396892]

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Last modified March 28 09:04 EDT 2024. Contains 371239 sequences. (Running on oeis4.)