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.

A246513 a(n) = (4/n^2)*( Sum_{k=0..n-1} k*A246459(k) ).

Table of values

n a(n)
1 0
2 7
3 52
4 378
5 2832
6 21785
7 171036
8 1364391
9 11023264
10 89985681
11 740894700
12 6144227430
13 51267563280
14 430045297695
15 3623966778180
16 30662599042530
17 260367332354496
18 2217928838577641
19 18947382204700044
20 162281586037920126

List of values

[0, 7, 52, 378, 2832, 21785, 171036, 1364391, 11023264, 89985681, 740894700, 6144227430, 51267563280, 430045297695, 3623966778180, 30662599042530, 260367332354496, 2217928838577641, 18947382204700044, 162281586037920126]