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.

A119961 Semiprimes that are the sum of two triangular numbers.

Table of values

n a(n)
1 4
2 6
3 9
4 10
5 15
6 21
7 22
8 25
9 34
10 38
11 39
12 46
13 49
14 51
15 55
16 57
17 58
18 65
19 69
20 87
21 91
22 93
23 94
24 106
25 111
26 115
27 119
28 121
29 123
30 133
31 141
32 142
33 146
34 159
35 169
36 177
37 183
38 202
39 205
40 213
41 214
42 218
43 219
44 226
45 235
46 237
47 249
48 253
49 254
50 259
51 262
52 265
53 267
54 274
55 289
56 291
57 295

List of values

[4, 6, 9, 10, 15, 21, 22, 25, 34, 38, 39, 46, 49, 51, 55, 57, 58, 65, 69, 87, 91, 93, 94, 106, 111, 115, 119, 121, 123, 133, 141, 142, 146, 159, 169, 177, 183, 202, 205, 213, 214, 218, 219, 226, 235, 237, 249, 253, 254, 259, 262, 265, 267, 274, 289, 291, 295]