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.

A056755 Number of n-celled polyominoes, where the cells are 1 X 2 rectangles with some of the edges of length 2 replaced by curved arcs that either sag inwards or bulge outwards.

Table of values

n a(n)
1 2
2 10
3 68
4 609
5 5652

List of values

[2, 10, 68, 609, 5652]