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.

A206927 Minimal numbers of binary length n+1 such that the number of contiguous palindromic bit patterns in the binary representation is minimal.

Table of values

n a(n)
1 2
2 4
3 9
4 18
5 37
6 75
7 150
8 300
9 601
10 1202
11 2405
12 4811
13 9622
14 19244
15 38489
16 76978
17 153957
18 307915
19 615830
20 1231660
21 2463321
22 4926642
23 9853285
24 19706571
25 39413142
26 78826284
27 157652569
28 315305138
29 630610277
30 1261220555

List of values

[2, 4, 9, 18, 37, 75, 150, 300, 601, 1202, 2405, 4811, 9622, 19244, 38489, 76978, 153957, 307915, 615830, 1231660, 2463321, 4926642, 9853285, 19706571, 39413142, 78826284, 157652569, 315305138, 630610277, 1261220555]

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

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