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A317986 as a simple table

n a(n)
1 13
2 37
3 89
4 277
5 821
6 2465
7 7389
8 22161
9 66469
10 199389
11 598165
12 1794469
13 5383413
14 16150225
15 48450673
16 145352013
17 436056017
18 1308168049
19 3924504145 

[13,37,89,277,821,2465,7389,22161,66469,199389,
 598165,1794469,5383413,16150225,48450673,
 145352013,436056017,1308168049,3924504145]

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Last modified August 17 02:18 EDT 2024. Contains 375198 sequences. (Running on oeis4.)