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.

A187337 a(n) = Sum_{k=1..6} floor(k*n/7).

Table of values

n a(n)
0 0
1 0
2 3
3 6
4 9
5 12
6 15
7 21
8 21
9 24
10 27
11 30
12 33
13 36
14 42
15 42
16 45
17 48
18 51
19 54
20 57
21 63
22 63
23 66
24 69
25 72
26 75
27 78
28 84
29 84
30 87
31 90
32 93
33 96
34 99
35 105
36 105
37 108
38 111
39 114
40 117
41 120
42 126
43 126
44 129
45 132
46 135
47 138
48 141
49 147
50 147
51 150
52 153
53 156
54 159
55 162
56 168
57 168
58 171
59 174
60 177
61 180
62 183
63 189
64 189
65 192
66 195
67 198
68 201
69 204
70 210
71 210
72 213
73 216
74 219
75 222
76 225
77 231
78 231
79 234
80 237
81 240
82 243
83 246
84 252
85 252
86 255
87 258
88 261
89 264
90 267
91 273
92 273
93 276
94 279
95 282
96 285
97 288
98 294
99 294
100 297
101 300

List of values

[0, 0, 3, 6, 9, 12, 15, 21, 21, 24, 27, 30, 33, 36, 42, 42, 45, 48, 51, 54, 57, 63, 63, 66, 69, 72, 75, 78, 84, 84, 87, 90, 93, 96, 99, 105, 105, 108, 111, 114, 117, 120, 126, 126, 129, 132, 135, 138, 141, 147, 147, 150, 153, 156, 159, 162, 168, 168, 171, 174, 177, 180, 183, 189, 189, 192, 195, 198, 201, 204, 210, 210, 213, 216, 219, 222, 225, 231, 231, 234, 237, 240, 243, 246, 252, 252, 255, 258, 261, 264, 267, 273, 273, 276, 279, 282, 285, 288, 294, 294, 297, 300]