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.

A341092 Rows of Pascal's triangle which contain a 3-term arithmetic progression of a certain form: a(n) = (2n^2 + 22n + 37 + (2n + 3)*(-1)^n)/8.

Table of values

n a(n)
1 7
2 12
3 14
4 21
5 23
6 32
7 34
8 45
9 47
10 60
11 62
12 77
13 79
14 96
15 98
16 117
17 119
18 140
19 142
20 165
21 167
22 192
23 194
24 221
25 223
26 252
27 254
28 285
29 287
30 320
31 322
32 357
33 359
34 396
35 398
36 437
37 439
38 480
39 482
40 525
41 527
42 572
43 574
44 621
45 623
46 672
47 674
48 725
49 727
50 780
51 782
52 837
53 839
54 896
55 898
56 957
57 959

List of values

[7, 12, 14, 21, 23, 32, 34, 45, 47, 60, 62, 77, 79, 96, 98, 117, 119, 140, 142, 165, 167, 192, 194, 221, 223, 252, 254, 285, 287, 320, 322, 357, 359, 396, 398, 437, 439, 480, 482, 525, 527, 572, 574, 621, 623, 672, 674, 725, 727, 780, 782, 837, 839, 896, 898, 957, 959]

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

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