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.

A329735 a(n) is the least k > 0 such that the binary representation of n appears as a substring in the binary representation of at least half of the numbers in the range 1..k.

Table of values

n a(n)
1 1
2 2
3 14
4 38
5 110
6 62
7 1006
8 2206
9 5072
10 21504
11 7114
12 3704
13 13868
14 4058
15 4067254
16 4384886
17 9535340
18 39157714
19 20466206
20 5565048
21 732167206
22 47755164
23 24722194
24 12837030
25 27081364
26 14017192
27 231845728
28 15111866
29 32273342
30 16292028
31 17478178355102

List of values

[1, 2, 14, 38, 110, 62, 1006, 2206, 5072, 21504, 7114, 3704, 13868, 4058, 4067254, 4384886, 9535340, 39157714, 20466206, 5565048, 732167206, 47755164, 24722194, 12837030, 27081364, 14017192, 231845728, 15111866, 32273342, 16292028, 17478178355102]

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

Content is available under The OEIS End-User License Agreement.