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A002214 as a simple table

n a(n)
1 1
2 1
3 2
4 7
5 18
6 64
7 226
8 856
9 3306
10 13249
11 53794
12 222717
13 933438
14 3960487
15 16970362
16 73381453
17 319817670
18 1403875491
19 6202064928
20 27559699507
21 123115236582
22 552654175124
23 2491870281372
24 11281732737898
25 51270697159708
26 233822055167579
27 1069835253304014
28 4909835353596645
29 22596879316320522

[1,1,2,7,18,64,226,856,3306,13249,53794,222717,
 933438,3960487,16970362,73381453,319817670,
 1403875491,6202064928,27559699507,123115236582,
 552654175124,2491870281372,11281732737898,
 51270697159708,233822055167579,1069835253304014,
 4909835353596645,22596879316320522]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)