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.

A240555 Lexicographically earliest positive increasing sequence such that no four terms have constant second differences.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 9
7 16
8 17
9 18
10 21
11 45
12 52
13 53
14 54
15 57
16 59
17 65
18 79
19 167
20 168
21 193
22 196
23 197
24 201
25 203
26 204
27 207
28 218
29 227
30 249
31 250
32 277
33 313
34 650
35 658
36 679
37 682
38 683
39 716
40 727
41 741
42 744
43 748
44 751
45 772
46 791
47 831
48 834
49 837
50 839
51 843
52 855
53 876
54 909
55 912
56 972

List of values

[1, 2, 3, 5, 6, 9, 16, 17, 18, 21, 45, 52, 53, 54, 57, 59, 65, 79, 167, 168, 193, 196, 197, 201, 203, 204, 207, 218, 227, 249, 250, 277, 313, 650, 658, 679, 682, 683, 716, 727, 741, 744, 748, 751, 772, 791, 831, 834, 837, 839, 843, 855, 876, 909, 912, 972]

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

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