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.

A216595 Number of distinct connected planar figures that can be formed from 1 X 2 rectangles (or dominoes) such that each pair of touching rectangles shares exactly one edge, of length 1.

Table of values

n a(n)
0 1
1 2
2 14
3 126
4 1267
5 13550
6 150665

List of values

[1, 2, 14, 126, 1267, 13550, 150665]

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

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