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.

A116437 Numbers k which when sandwiched between two 2's give a multiple of k.

Table of values

n a(n)
1 1
2 2
3 11
4 13
5 14
6 22
7 26
8 77
9 91
10 137
11 146
12 274
13 9091
14 19802
15 909091
16 5882353
17 10989011
18 12987013
19 13986014
20 15037594
21 21978022
22 25974026
23 52631579
24 76923077
25 90909091
26 198019802
27 1652892562
28 4347826087
29 8695652174
30 9090909091
31 13698630137
32 14598540146
33 27397260274

List of values

[1, 2, 11, 13, 14, 22, 26, 77, 91, 137, 146, 274, 9091, 19802, 909091, 5882353, 10989011, 12987013, 13986014, 15037594, 21978022, 25974026, 52631579, 76923077, 90909091, 198019802, 1652892562, 4347826087, 8695652174, 9090909091, 13698630137, 14598540146, 27397260274]