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.

A123792 Number of ways to build a contiguous building with n LEGO blocks of size 1 X 5 on top of a fixed block of the same size so that the building is flat, i.e., with all blocks in parallel position.

Table of values

n a(n)
1 9
2 91
3 1089
4 13726
5 182736
6 2493062
7 34865595
8 495114895
9 7127585291

List of values

[9, 91, 1089, 13726, 182736, 2493062, 34865595, 495114895, 7127585291]

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

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