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.

A259210 Positive hexagonal numbers (A000384) that are other hexagonal numbers divided by 3.

Table of values

n a(n)
1 15
2 567645
3 21362755051
4 803965923024825
5 30256453525753512135
6 1138671371184241752666901
7 42852758352891300594112643235
8 1612720706714039835374593462842225
9 60693131033623416811596149786491655551
10 2284125291706662961573569665690233502167245

List of values

[15, 567645, 21362755051, 803965923024825, 30256453525753512135, 1138671371184241752666901, 42852758352891300594112643235, 1612720706714039835374593462842225, 60693131033623416811596149786491655551, 2284125291706662961573569665690233502167245]