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A247333 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 11
5 31
6 92
7 283
8 893
9 2875
10 9407
11 31189
12 104555
13 353794
14 1206821
15 4145350
16 14326184
17 49778473
18 173794610
19 609392578
20 2145057797
21 7577098816
22 26850456704
23 95425761829
24 340047930692
25 1214738997142
26 4349231444405
27 15604726428805
28 56098211626478

[1,1,2,4,11,31,92,283,893,2875,9407,31189,104555,
 353794,1206821,4145350,14326184,49778473,
 173794610,609392578,2145057797,7577098816,
 26850456704,95425761829,340047930692,
 1214738997142,4349231444405,15604726428805,
 56098211626478]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)