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A006444 as a simple table

n a(n)
1 0
2 1
3 2
4 3
5 6
6 14
7 30
8 77
9 196
10 525
11 1414
12 3960
13 11056
14 31636
15 90818
16 264657
17 774146
18 2289787
19 6798562
20 20354005
21 61164374
22 184985060
23 561433922
24 1712696708
25 5241637812 

[0,1,2,3,6,14,30,77,196,525,1414,3960,11056,31636,
 90818,264657,774146,2289787,6798562,20354005,
 61164374,184985060,561433922,1712696708,
 5241637812]

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)