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.

A182079 a(n) = floor(n*floor((n-1)/2)/3).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 1
5 3
6 4
7 7
8 8
9 12
10 13
11 18
12 20
13 26
14 28
15 35
16 37
17 45
18 48
19 57
20 60
21 70
22 73
23 84
24 88
25 100
26 104
27 117
28 121
29 135
30 140
31 155
32 160
33 176
34 181
35 198
36 204
37 222
38 228
39 247
40 253
41 273
42 280
43 301
44 308
45 330
46 337
47 360
48 368
49 392
50 400
51 425
52 433
53 459
54 468
55 495
56 504
57 532
58 541
59 570
60 580
61 610
62 620
63 651
64 661
65 693
66 704
67 737
68 748
69 782
70 793
71 828
72 840
73 876
74 888
75 925
76 937
77 975
78 988

List of values

[0, 0, 0, 1, 1, 3, 4, 7, 8, 12, 13, 18, 20, 26, 28, 35, 37, 45, 48, 57, 60, 70, 73, 84, 88, 100, 104, 117, 121, 135, 140, 155, 160, 176, 181, 198, 204, 222, 228, 247, 253, 273, 280, 301, 308, 330, 337, 360, 368, 392, 400, 425, 433, 459, 468, 495, 504, 532, 541, 570, 580, 610, 620, 651, 661, 693, 704, 737, 748, 782, 793, 828, 840, 876, 888, 925, 937, 975, 988]