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.

A154493 a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=1,a(2)=4.

Table of values

n a(n)
1 1
2 4
3 15
4 28
5 39
6 50
7 81
8 350
9 459
10 512
11 675
12 944
13 987
14 1040
15 1917
16 1936
17 2325
18 2378
19 2421
20 2588
21 2745
22 2812
23 3459
24 3488
25 3495
26 3506
27 5667
28 5804
29 6027
30 6074
31 24765
32 24832
33 25479
34 25552
35 27621
36 27848
37 27951
38 27980
39 34101
40 34720
41 34773
42 35344

List of values

[1, 4, 15, 28, 39, 50, 81, 350, 459, 512, 675, 944, 987, 1040, 1917, 1936, 2325, 2378, 2421, 2588, 2745, 2812, 3459, 3488, 3495, 3506, 5667, 5804, 6027, 6074, 24765, 24832, 25479, 25552, 27621, 27848, 27951, 27980, 34101, 34720, 34773, 35344]