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.

A347636 Number of ways to tile an n X n square with 1 X 1 squares and (n-2) X 2 vertical or horizontal rectangles.

Table of values

n a(n)
5 193
6 399
7 783
8 1601
9 3283
10 6947
11 14897
12 32607
13 72175
14 161649
15 364611
16 827555
17 1885729
18 4310639
19 9874319
20 22654881
21 52032883
22 119601123
23 275058321
24 632823743
25 1456319215
26 3352072913
27 7716633443
28 17765737443
29 40904125825
30 94182711375

List of values

[193, 399, 783, 1601, 3283, 6947, 14897, 32607, 72175, 161649, 364611, 827555, 1885729, 4310639, 9874319, 22654881, 52032883, 119601123, 275058321, 632823743, 1456319215, 3352072913, 7716633443, 17765737443, 40904125825, 94182711375]

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

Content is available under The OEIS End-User License Agreement.