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.

A050734 Numbers of form 4^k (values of k see A050725) containing no pair of consecutive equal digits (probably finite).

Table of values

n a(n)
1 1
2 4
3 16
4 64
5 256
6 1024
7 4096
8 16384
9 1048576
10 4194304
11 268435456
12 1073741824
13 4294967296
14 17179869184
15 68719476736
16 281474976710656
17 18014398509481984
18 72057594037927936
19 73786976294838206464
20 295147905179352825856
21 1208925819614629174706176
22 20282409603651670423947251286016
23 85070591730234615865843651857942052864

List of values

[1, 4, 16, 64, 256, 1024, 4096, 16384, 1048576, 4194304, 268435456, 1073741824, 4294967296, 17179869184, 68719476736, 281474976710656, 18014398509481984, 72057594037927936, 73786976294838206464, 295147905179352825856, 1208925819614629174706176, 20282409603651670423947251286016, 85070591730234615865843651857942052864]

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

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