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.

A085793 Numbers k such that (k-1)*binomial(2k,k) + 1 is prime.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 6
6 7
7 9
8 13
9 17
10 18
11 22
12 23
13 28
14 31
15 48
16 49
17 52
18 80
19 99
20 167
21 201
22 295
23 372
24 381
25 391
26 638
27 653
28 720
29 779
30 887
31 1047
32 1454
33 1647
34 1719
35 2405
36 3234
37 3257
38 3542
39 3623
40 3765
41 3796
42 4337
43 4490
44 5228
45 6507
46 8544
47 9990
48 10000
49 12478
50 13479
51 15487
52 17115

List of values

[2, 3, 4, 5, 6, 7, 9, 13, 17, 18, 22, 23, 28, 31, 48, 49, 52, 80, 99, 167, 201, 295, 372, 381, 391, 638, 653, 720, 779, 887, 1047, 1454, 1647, 1719, 2405, 3234, 3257, 3542, 3623, 3765, 3796, 4337, 4490, 5228, 6507, 8544, 9990, 10000, 12478, 13479, 15487, 17115]

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

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