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.

A094098 Number of divisor chains of length n in which the first term is a divisor of n(n+1)/2 ("cyclic" divisor chains).

Table of values

n a(n)
1 1
2 0
3 2
4 0
5 2
6 0
7 3
8 0
9 5
10 0
11 6
12 0
13 6
14 0
15 147
16 1
17 22
18 2
19 27
20 165
21 519
22 0
23 516
24 2021
25 1912
26 506
27 45658
28 514
29 7308
30 1535
31 30746
32 68918
33 145920
34 1370

List of values

[1, 0, 2, 0, 2, 0, 3, 0, 5, 0, 6, 0, 6, 0, 147, 1, 22, 2, 27, 165, 519, 0, 516, 2021, 1912, 506, 45658, 514, 7308, 1535, 30746, 68918, 145920, 1370]