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.

A180926 Numbers k such that 6*k and 10*k are triangular numbers.

Table of values

n a(n)
1 0
2 1
3 63
4 3906
5 242110
6 15006915
7 930186621
8 57656563588
9 3573776755836
10 221516502298245
11 13730449365735355
12 851066344173293766
13 52752382889378478138
14 3269796672797292350791
15 202674641330542747270905

List of values

[0, 1, 63, 3906, 242110, 15006915, 930186621, 57656563588, 3573776755836, 221516502298245, 13730449365735355, 851066344173293766, 52752382889378478138, 3269796672797292350791, 202674641330542747270905]