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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.

A162676 Number of different fixed (possibly) disconnected n-ominoes bounded (not necessarily tightly) by an n*n square.

Table of values

n a(n)
1 1
2 4
3 48
4 956
5 26490
6 937342
7 40291608
8 2036155284
9 118202408622
10 7747410899954
11 565695467415936
12 45525704815717568
13 4002930269944724664
14 381750656962687053108
15 39244733577786624617904
16 4325973539461955182836900
17 508971415418900757219557142

List of values

[1, 4, 48, 956, 26490, 937342, 40291608, 2036155284, 118202408622, 7747410899954, 565695467415936, 45525704815717568, 4002930269944724664, 381750656962687053108, 39244733577786624617904, 4325973539461955182836900, 508971415418900757219557142]

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

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