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.

A233343 Number of tilings of a 7 X 3n rectangle using 7n trominoes of any shape.

Table of values

n a(n)
0 1
1 441
2 614581
3 1064557805
4 1949314526229
5 3619365754064658
6 6743148875847013949
7 12573396789552627635974
8 23449283563696481324707977
9 43734844458505039459034141789
10 81570040233489554572733439665568
11 152137050633841639720340771054558899

List of values

[1, 441, 614581, 1064557805, 1949314526229, 3619365754064658, 6743148875847013949, 12573396789552627635974, 23449283563696481324707977, 43734844458505039459034141789, 81570040233489554572733439665568, 152137050633841639720340771054558899]

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

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