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.

A182563 Number of ways to place n non-attacking semi-knights on an n x n chessboard.

Table of values

n a(n)
1 1
2 6
3 70
4 1289
5 33864
6 1148760
7 47700972
8 2344465830
9 133055587660
10 8559364525414
11 615266768106190
12 48861588247978827
13 4247584874013608724
14 401107335066453376830
15 40880928693752664368224
16 4472281486633326131737868

List of values

[1, 6, 70, 1289, 33864, 1148760, 47700972, 2344465830, 133055587660, 8559364525414, 615266768106190, 48861588247978827, 4247584874013608724, 401107335066453376830, 40880928693752664368224, 4472281486633326131737868]

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

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