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.

A286241 Compound filter: a(n) = P(A278219(n), A278219(1+n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

n a(n)
0 2
1 12
2 14
3 12
4 59
5 86
6 27
7 12
8 109
9 363
10 269
11 86
12 142
13 148
14 27
15 12
16 109
17 1093
18 1117
19 363
20 1097
21 1517
22 489
23 86
24 601
25 1408
26 619
27 148
28 142
29 148
30 27
31 12
32 109
33 1093
34 1117
35 1093
36 5707
37 8587
38 2545
39 363
40 1969
41 6153
42 4529
43 1517
44 4489
45 4537
46 489
47 86
48 601
49 3946
50 3976
51 1408
52 2509
53 5719
54 2545
55 148
56 601
57 1408
58 619
59 148
60 142
61 148
62 27
63 12
64 109
65 1093
66 1117
67 1093
68 5707
69 8587

List of values

[2, 12, 14, 12, 59, 86, 27, 12, 109, 363, 269, 86, 142, 148, 27, 12, 109, 1093, 1117, 363, 1097, 1517, 489, 86, 601, 1408, 619, 148, 142, 148, 27, 12, 109, 1093, 1117, 1093, 5707, 8587, 2545, 363, 1969, 6153, 4529, 1517, 4489, 4537, 489, 86, 601, 3946, 3976, 1408, 2509, 5719, 2545, 148, 601, 1408, 619, 148, 142, 148, 27, 12, 109, 1093, 1117, 1093, 5707, 8587]