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.

A123774 Number of ways to build a contiguous building with n LEGO blocks of size 1 X 3 on top of a fixed block of the same size.

Table of values

n a(n)
1 14
2 244
3 5762
4 147801
5 4117161
6 119893930
7 3616711327
8 111950012510
9 3536272532516

List of values

[14, 244, 5762, 147801, 4117161, 119893930, 3616711327, 111950012510, 3536272532516]