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.

A155493 Triangle T(n, k) = binomial(n+1, k)*A142459(n+1, k+1)/(k+1), read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 15
5 1
6 1
7 118
8 118
9 1
10 1
11 770
12 3540
13 770
14 1
15 1
16 4671
17 67810
18 67810
19 4671
20 1
21 1
22 27321
23 1039689
24 3085355
25 1039689
26 27321
27 1
28 1
29 156220
30 14006244
31 99524810
32 99524810
33 14006244
34 156220
35 1
36 1
37 878868
38 173788752
39 2602528824
40 6090918372
41 2602528824
42 173788752
43 878868
44 1

List of values

[1, 1, 1, 1, 15, 1, 1, 118, 118, 1, 1, 770, 3540, 770, 1, 1, 4671, 67810, 67810, 4671, 1, 1, 27321, 1039689, 3085355, 1039689, 27321, 1, 1, 156220, 14006244, 99524810, 99524810, 14006244, 156220, 1, 1, 878868, 173788752, 2602528824, 6090918372, 2602528824, 173788752, 878868, 1]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.