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.

A336624 Triangular numbers that are one-eighth of other triangular numbers; T(t) such that 8*T(t)=T(u) for some u where T(k) is the k-th triangular number.

Table of values

n a(n)
0 0
1 15
2 66
3 17391
4 76245
5 20069280
6 87986745
7 23159931810
8 101536627566
9 26726541239541
10 117173180224500
11 30842405430498585
12 135217748442445515
13 35592109140254127630
14 156041164529401899891
15 41073263105447832786516
16 180071368649181350028780
17 47398510031577658781511915

List of values

[0, 15, 66, 17391, 76245, 20069280, 87986745, 23159931810, 101536627566, 26726541239541, 117173180224500, 30842405430498585, 135217748442445515, 35592109140254127630, 156041164529401899891, 41073263105447832786516, 180071368649181350028780, 47398510031577658781511915]