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A002135 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 17
5 73
6 388
7 2461
8 18155
9 152531
10 1436714
11 14986879
12 171453343
13 2134070335
14 28708008128
15 415017867707
16 6416208498137
17 105630583492969
18 1844908072865290
19 34071573484225549
20 663368639907213281
21 13580208904207073801

[1,1,2,5,17,73,388,2461,18155,152531,1436714,
 14986879,171453343,2134070335,28708008128,
 415017867707,6416208498137,105630583492969,
 1844908072865290,34071573484225549,
 663368639907213281,13580208904207073801]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)