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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.

A024191 [ (3rd elementary symmetric function of 3,4,...,n+4)/(3+4+...+n+4) ].

Table of values

n a(n)
1 5
2 19
3 47
4 95
5 170
6 280
7 434
8 642
9 915
10 1265
11 1705
12 2249
13 2912
14 3710
15 4660
16 5780
17 7089
18 8607
19 10355
20 12355
21 14630
22 17204
23 20102
24 23350
25 26975
26 31005
27 35469
28 40397
29 45820
30 51770
31 58280
32 65384
33 73117
34 81515
35 90615
36 100455
37 111074
38 122512
39 134810
40 148010

List of values

[5, 19, 47, 95, 170, 280, 434, 642, 915, 1265, 1705, 2249, 2912, 3710, 4660, 5780, 7089, 8607, 10355, 12355, 14630, 17204, 20102, 23350, 26975, 31005, 35469, 40397, 45820, 51770, 58280, 65384, 73117, 81515, 90615, 100455, 111074, 122512, 134810, 148010]

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

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