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.

A024390 [ (4th elementary symmetric function of S(n))/(3rd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.

Table of values

n a(n)
1 0
2 2
3 5
4 10
5 15
6 21
7 28
8 37
9 46
10 56
11 67
12 80
13 93
14 107
15 122
16 138
17 156
18 174
19 193
20 213
21 235
22 257
23 280
24 304
25 330
26 356
27 383
28 411
29 441
30 471
31 502
32 534
33 568
34 602
35 637
36 673
37 711
38 749
39 788
40 828
41 870
42 912
43 955
44 999
45 1045
46 1091
47 1138
48 1186
49 1236
50 1286
51 1337

List of values

[0, 2, 5, 10, 15, 21, 28, 37, 46, 56, 67, 80, 93, 107, 122, 138, 156, 174, 193, 213, 235, 257, 280, 304, 330, 356, 383, 411, 441, 471, 502, 534, 568, 602, 637, 673, 711, 749, 788, 828, 870, 912, 955, 999, 1045, 1091, 1138, 1186, 1236, 1286, 1337]