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.

A102856 Sum of 1 or 2 distinct tetrahedral numbers.

Table of values

n a(n)
1 0
2 1
3 4
4 5
5 10
6 11
7 14
8 20
9 21
10 24
11 30
12 35
13 36
14 39
15 45
16 55
17 56
18 57
19 60
20 66
21 76
22 84
23 85
24 88
25 91
26 94
27 104
28 119
29 120
30 121
31 124
32 130
33 140
34 155
35 165
36 166
37 169
38 175
39 176
40 185
41 200
42 204
43 220
44 221
45 224
46 230
47 240
48 249
49 255
50 276
51 285
52 286
53 287
54 290
55 296
56 304
57 306

List of values

[0, 1, 4, 5, 10, 11, 14, 20, 21, 24, 30, 35, 36, 39, 45, 55, 56, 57, 60, 66, 76, 84, 85, 88, 91, 94, 104, 119, 120, 121, 124, 130, 140, 155, 165, 166, 169, 175, 176, 185, 200, 204, 220, 221, 224, 230, 240, 249, 255, 276, 285, 286, 287, 290, 296, 304, 306]