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.

A241200 For the n in A241199, the index of the first of 4 terms in binomial(n,k) that satisfy a quadratic relation.

Table of values

n a(n)
1 2
2 4
3 9
4 12
5 19
6 23
7 32
8 37
9 48
10 54
11 67
12 74
13 89
14 97
15 114
16 123
17 142
18 152
19 173
20 184
21 207
22 219
23 244
24 257
25 284
26 298
27 327
28 342
29 373
30 389
31 422
32 439
33 474
34 492
35 529
36 548
37 587
38 607
39 648
40 669
41 712
42 734
43 779
44 802
45 849
46 873
47 922
48 947
49 998
50 1024
51 1077
52 1104
53 1159
54 1187

List of values

[2, 4, 9, 12, 19, 23, 32, 37, 48, 54, 67, 74, 89, 97, 114, 123, 142, 152, 173, 184, 207, 219, 244, 257, 284, 298, 327, 342, 373, 389, 422, 439, 474, 492, 529, 548, 587, 607, 648, 669, 712, 734, 779, 802, 849, 873, 922, 947, 998, 1024, 1077, 1104, 1159, 1187]