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A289806 as a simple table

n a(n)
0 1
1 3
2 9
3 26
4 74
5 211
6 600
7 1708
8 4860
9 13832
10 39364
11 112029
12 318827
13 907366
14 2582312
15 7349121
16 20915193
17 59523497
18 169400608
19 482104856
20 1372044007
21 3904762096
22 11112739032
23 31626246588
24 90006565434
25 256153755080
26 728999555983
27 2074692805003
28 5904462080604

[1,3,9,26,74,211,600,1708,4860,13832,39364,112029,
 318827,907366,2582312,7349121,20915193,59523497,
 169400608,482104856,1372044007,3904762096,
 11112739032,31626246588,90006565434,256153755080,
 728999555983,2074692805003,5904462080604]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)