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.

A184535 a(n) = floor(3/5 * n^2), with a(1)=1.

Table of values

n a(n)
1 1
2 2
3 5
4 9
5 15
6 21
7 29
8 38
9 48
10 60
11 72
12 86
13 101
14 117
15 135
16 153
17 173
18 194
19 216
20 240
21 264
22 290
23 317
24 345
25 375
26 405
27 437
28 470
29 504
30 540
31 576
32 614
33 653
34 693
35 735
36 777
37 821
38 866
39 912
40 960
41 1008
42 1058
43 1109
44 1161
45 1215
46 1269
47 1325
48 1382
49 1440
50 1500
51 1560
52 1622
53 1685
54 1749
55 1815
56 1881
57 1949
58 2018
59 2088
60 2160
61 2232
62 2306
63 2381

List of values

[1, 2, 5, 9, 15, 21, 29, 38, 48, 60, 72, 86, 101, 117, 135, 153, 173, 194, 216, 240, 264, 290, 317, 345, 375, 405, 437, 470, 504, 540, 576, 614, 653, 693, 735, 777, 821, 866, 912, 960, 1008, 1058, 1109, 1161, 1215, 1269, 1325, 1382, 1440, 1500, 1560, 1622, 1685, 1749, 1815, 1881, 1949, 2018, 2088, 2160, 2232, 2306, 2381]