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A150162 as a simple table

n a(n)
0 1
1 2
2 6
3 20
4 75
5 284
6 1137
7 4644
8 19393
9 81898
10 351374
11 1520815
12 6638275
13 29196703
14 129280300
15 575406783
16 2573623071
17 11562972805
18 52147022964
19 235977654475
20 1071303090569
21 4877507991969
22 22263040270667
23 101860633661824
24 467072841547863
25 2145980198046295
26 9878055487767915
27 45548567570957663

[1,2,6,20,75,284,1137,4644,19393,81898,351374,
 1520815,6638275,29196703,129280300,575406783,
 2573623071,11562972805,52147022964,235977654475,
 1071303090569,4877507991969,22263040270667,
 101860633661824,467072841547863,2145980198046295,
 9878055487767915,45548567570957663]

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Last modified June 28 23:38 EDT 2024. Contains 373826 sequences. (Running on oeis4.)