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A175805 as a simple table

n a(n)
0 21
1 42
2 84
3 168
4 336
5 672
6 1344
7 2688
8 5376
9 10752
10 21504
11 43008
12 86016
13 172032
14 344064
15 688128
16 1376256
17 2752512
18 5505024
19 11010048
20 22020096
21 44040192
22 88080384
23 176160768
24 352321536
25 704643072
26 1409286144
27 2818572288
28 5637144576
29 11274289152
30 22548578304
31 45097156608

[21,42,84,168,336,672,1344,2688,5376,10752,21504,
 43008,86016,172032,344064,688128,1376256,2752512,
 5505024,11010048,22020096,44040192,88080384,
 176160768,352321536,704643072,1409286144,
 2818572288,5637144576,11274289152,22548578304,
 45097156608]

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Last modified April 23 14:49 EDT 2024. Contains 371914 sequences. (Running on oeis4.)