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.

A048197 Numbers k for which binomial(k, floor(k/2)) has more unitary than non-unitary divisors.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 11
11 12
12 13
13 15
14 16
15 17
16 18
17 19
18 20
19 21
20 23
21 24
22 31
23 32
24 35
25 39
26 41
27 43
28 55
29 65
30 67
31 71
32 72
33 73
34 79
35 131
36 271
37 1567

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 23, 24, 31, 32, 35, 39, 41, 43, 55, 65, 67, 71, 72, 73, 79, 131, 271, 1567]

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

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