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A185133 as a simple table

n a(n)
0 0
1 0
2 1
3 1
4 4
5 15
6 71
7 428
8 3406
9 34270
10 418621
11 5937051
12 94782437
13 1670327647
14 32090011476
15 666351752261
16 14859579573845 

[0,0,1,1,4,15,71,428,3406,34270,418621,5937051,
 94782437,1670327647,32090011476,666351752261,
 14859579573845]

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Last modified August 1 19:22 EDT 2024. Contains 374817 sequences. (Running on oeis4.)