cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A176764 Smallest power of 4 whose decimal expansion contains n.

Table of values

n a(n)
0 1024
1 1
2 256
3 16384
4 4
5 256
6 16
7 1048576
8 16384
9 4096
10 1024
11 1099511627776
12 1125899906842624
13 1180591620717411303424
14 262144
15 288230376151711744
16 16
17 17179869184
18 1073741824
19 4194304
20 72057594037927936
21 262144
22 4722366482869645213696

List of values

[1024, 1, 256, 16384, 4, 256, 16, 1048576, 16384, 4096, 1024, 1099511627776, 1125899906842624, 1180591620717411303424, 262144, 288230376151711744, 16, 17179869184, 1073741824, 4194304, 72057594037927936, 262144, 4722366482869645213696]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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