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.

A124093 Triangular numbers alternating with squares.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 3
5 4
6 6
7 9
8 10
9 16
10 15
11 25
12 21
13 36
14 28
15 49
16 36
17 64
18 45
19 81
20 55
21 100
22 66
23 121
24 78
25 144
26 91
27 169
28 105
29 196
30 120
31 225
32 136
33 256
34 153
35 289
36 171
37 324
38 190
39 361
40 210
41 400
42 231
43 441
44 253
45 484
46 276
47 529
48 300
49 576
50 325
51 625
52 351
53 676
54 378
55 729
56 406
57 784
58 435
59 841

List of values

[0, 0, 1, 1, 3, 4, 6, 9, 10, 16, 15, 25, 21, 36, 28, 49, 36, 64, 45, 81, 55, 100, 66, 121, 78, 144, 91, 169, 105, 196, 120, 225, 136, 256, 153, 289, 171, 324, 190, 361, 210, 400, 231, 441, 253, 484, 276, 529, 300, 576, 325, 625, 351, 676, 378, 729, 406, 784, 435, 841]