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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.

A305324 Number of one-sided 'divisible' polyominoes of size 2^(n-1), where a 'divisible' polyomino is either a monomino (square) or a polyomino which can be separated into two identical 'divisible' polyominoes.

Table of values

n a(n)
1 1
2 1
3 6
4 90
5 3356
6 232283
7 27964488

List of values

[1, 1, 6, 90, 3356, 232283, 27964488]

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

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