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.

A123799 Number of ways to build a contiguous building with n LEGO blocks of size 1 X 6 on top of a fixed block of the same size so that the building is symmetric after a rotation by 180 degrees.

Table of values

n a(n)
1 1
2 22
3 43
4 1039
5 3136
6 81773
7 267670
8 7192059

List of values

[1, 22, 43, 1039, 3136, 81773, 267670, 7192059]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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