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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.

A360998 Triangle read by rows: T(n,k) is the number of tilings of an n X k rectangle by integer-sided rectangular pieces that cannot be rearranged to produce a different tiling of the rectangle (including rotations and reflections of the original tiling), 1 <= k <= n.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 3
6 2
7 3
8 4
9 4
10 3
11 2
12 3
13 3
14 4
15 2
16 4
17 6
18 5
19 7
20 5
21 4

List of values

[1, 2, 2, 2, 3, 2, 3, 4, 4, 3, 2, 3, 3, 4, 2, 4, 6, 5, 7, 5, 4]

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

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