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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.

A227353 Number of lattice points in the closed region bounded by the graphs of y = 3*x/5, x = n, and y = 0, excluding points on the x-axis.

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 7
6 10
7 14
8 18
9 23
10 29
11 35
12 42
13 49
14 57
15 66
16 75
17 85
18 95
19 106
20 118
21 130
22 143
23 156
24 170
25 185
26 200
27 216
28 232
29 249
30 267
31 285
32 304
33 323
34 343
35 364
36 385
37 407
38 429
39 452
40 476
41 500
42 525
43 550
44 576
45 603
46 630
47 658
48 686
49 715
50 745
51 775
52 806
53 837
54 869
55 902
56 935

List of values

[0, 1, 2, 4, 7, 10, 14, 18, 23, 29, 35, 42, 49, 57, 66, 75, 85, 95, 106, 118, 130, 143, 156, 170, 185, 200, 216, 232, 249, 267, 285, 304, 323, 343, 364, 385, 407, 429, 452, 476, 500, 525, 550, 576, 603, 630, 658, 686, 715, 745, 775, 806, 837, 869, 902, 935]

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

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