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A001431 as a simple table

n a(n)
1 0
2 0
3 1
4 1
5 2
6 5
7 10
8 24
9 63
10 165
11 467
12 1405
13 4435
14 14775
15 51814
16 190443
17 732472
18 2939612
19 12277230
20 53233295
21 239083372
22 1109921554
23 5316143531
24 26225625392
25 133050795412
26 693227353094
27 3704785464812

[0,0,1,1,2,5,10,24,63,165,467,1405,4435,14775,
 51814,190443,732472,2939612,12277230,53233295,
 239083372,1109921554,5316143531,26225625392,
 133050795412,693227353094,3704785464812]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)