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.

A042943 Numbers k such that binomial(2^k, k) is divisible by binomial(2^k, 2).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 9
7 11
8 13
9 14
10 17
11 19
12 22
13 23
14 25
15 26
16 27
17 29
18 31
19 33
20 35
21 37
22 38
23 39
24 41
25 43
26 45
27 46
28 47
29 49
30 50
31 51
32 53
33 55
34 58
35 59
36 61
37 62
38 65
39 66
40 67
41 69
42 70
43 71
44 73
45 74
46 75
47 77
48 79
49 81
50 83
51 85
52 86
53 87
54 89
55 91
56 93
57 94
58 95
59 97
60 98
61 99
62 101
63 102
64 103
65 106
66 107
67 109
68 111

List of values

[1, 2, 3, 5, 7, 9, 11, 13, 14, 17, 19, 22, 23, 25, 26, 27, 29, 31, 33, 35, 37, 38, 39, 41, 43, 45, 46, 47, 49, 50, 51, 53, 55, 58, 59, 61, 62, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 79, 81, 83, 85, 86, 87, 89, 91, 93, 94, 95, 97, 98, 99, 101, 102, 103, 106, 107, 109, 111]

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

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