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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.

A056787 Number of incongruental unlabeled undirected trees with n nodes on a square lattice and edges of length 1 or sqrt(2) admitted to the 4 nearest or 4 2nd nearest neighbors.

Table of values

n a(n)
1 1
2 2
3 6
4 40
5 303
6 2929
7 29752
8 316935

List of values

[1, 2, 6, 40, 303, 2929, 29752, 316935]

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

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