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A017928 as a simple table

n a(n)
0 1
1 2
2 8
3 22
4 64
5 181
6 512
7 1448
8 4096
9 11585
10 32768
11 92681
12 262144
13 741455
14 2097152
15 5931641
16 16777216
17 47453132
18 134217728
19 379625062
20 1073741824
21 3037000499
22 8589934592
23 24296003999
24 68719476736

[1,2,8,22,64,181,512,1448,4096,11585,32768,92681,
 262144,741455,2097152,5931641,16777216,47453132,
 134217728,379625062,1073741824,3037000499,
 8589934592,24296003999,68719476736]

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Last modified June 8 22:55 EDT 2024. Contains 373227 sequences. (Running on oeis4.)