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.

A386728 Triangle read by rows: T(n,k) is the denominator of A(n,k), such that A(n,k) satisfies the identity for sums of odd powers: Sum_{k=1..p} k^(2n-1) = 1/(2*n) * Sum_{k=0..n-1} A(n,k) * (p^2+p)^(n-k), for all integers p >= 1.

Table of values

n a(n)
0 1
1 1
2 6
3 1
4 1
5 30
6 1
7 2
8 1
9 42
10 1
11 3
12 3
13 1
14 30
15 1
16 2
17 1
18 2
19 1
20 66
21 1
22 1
23 2
24 1
25 1
26 1
27 2730
28 1
29 6
30 15
31 3
32 15
33 30
34 1
35 6
36 1
37 1
38 3
39 3
40 3
41 1
42 1
43 1
44 510
45 1
46 2
47 1
48 1
49 5
50 2
51 5
52 10
53 1
54 798
55 1
56 3
57 2
58 7
59 1
60 3
61 42
62 21
63 21
64 1
65 330
66 1
67 2
68 3
69 2
70 1
71 6
72 15
73 3
74 5
75 10
76 1
77 138
78 1

List of values

[1, 1, 6, 1, 1, 30, 1, 2, 1, 42, 1, 3, 3, 1, 30, 1, 2, 1, 2, 1, 66, 1, 1, 2, 1, 1, 1, 2730, 1, 6, 15, 3, 15, 30, 1, 6, 1, 1, 3, 3, 3, 1, 1, 1, 510, 1, 2, 1, 1, 5, 2, 5, 10, 1, 798, 1, 3, 2, 7, 1, 3, 42, 21, 21, 1, 330, 1, 2, 3, 2, 1, 6, 15, 3, 5, 10, 1, 138, 1]