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.

A224251 Numbers, a(n) where binomial(a(n), 5n-1) == 0 (mod 5) and binomial(a(n), k) != 0 (mod 5) for k != 5n - 1.

Table of values

n a(n)
1 8
2 13
3 18
4 23
5 48
6 73
7 98
8 123
9 248
10 373
11 498
12 623
13 1248
14 1873
15 2498
16 3123
17 6248
18 9373
19 12498
20 15623
21 31248
22 46873
23 62498
24 78123
25 156248
26 234373
27 312498
28 390623
29 781248
30 1171873
31 1562498
32 1953123
33 3906248
34 5859373
35 7812498
36 9765623
37 19531248
38 29296873

List of values

[8, 13, 18, 23, 48, 73, 98, 123, 248, 373, 498, 623, 1248, 1873, 2498, 3123, 6248, 9373, 12498, 15623, 31248, 46873, 62498, 78123, 156248, 234373, 312498, 390623, 781248, 1171873, 1562498, 1953123, 3906248, 5859373, 7812498, 9765623, 19531248, 29296873]