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.

A176901 Number of 3 X n semireduced Latin rectangles, that is, having exactly n fixed points in the first two rows.

Table of values

n a(n)
3 4
4 72
5 1584
6 70720
7 3948480
8 284570496
9 25574768128
10 2808243910656
11 369925183388160
12 57585548812887040
13 10458478438093154304
14 2191805683821733404672
15 525011528578874444283904
16 142540766765931981615759360
17 43542026550306796238178877440
18 14867182204795857282384287236096
19 5640920219495105293649671985430528

List of values

[4, 72, 1584, 70720, 3948480, 284570496, 25574768128, 2808243910656, 369925183388160, 57585548812887040, 10458478438093154304, 2191805683821733404672, 525011528578874444283904, 142540766765931981615759360, 43542026550306796238178877440, 14867182204795857282384287236096, 5640920219495105293649671985430528]

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

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