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.

A220870 Number of ways to tile an 8 X n rectangle with 1 X 1, 1 X 2 and 2 X 2 tiles (i.e., monomers, dominoes and squares).

Table of values

n a(n)
0 1
1 34
2 12190
3 2326760
4 527889422
5 114411435032
6 25111681648122
7 5492577770367562
8 1202536689448371122
9 263209502307938563332
10 57615414908836236372072
11 12611480741795288044400788
12 2760554277959548230135794572
13 604262547591999576093481473784

List of values

[1, 34, 12190, 2326760, 527889422, 114411435032, 25111681648122, 5492577770367562, 1202536689448371122, 263209502307938563332, 57615414908836236372072, 12611480741795288044400788, 2760554277959548230135794572, 604262547591999576093481473784]