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A155280 as a simple table

n a(n)
5 1
6 7
7 19
8 37
9 168
10 718
11 3579
12 25444
13 183468
14 1516279
15 16609058
16 206526436
17 3056554913
18 55553877912

[1,7,19,37,168,718,3579,25444,183468,1516279,
 16609058,206526436,3056554913,55553877912]

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)