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.

A384759 Number of legal arrangements in pawn-only chess on an n X n board where no pieces have been taken and no piece attacks another piece.

Table of values

n a(n)
4 0
5 3
6 2031
7 728174
8 247646098
9 91880342535
10 38818192375310
11 18907485764545412
12 10626953883068264472
13 6866760686250915376779
14 5073038373153476636807709
15 4259014676256866422905669602
16 4038463837000965678262091166880
17 4299625631242136963071149921577615
18 5111407212497576694797045579672852791

List of values

[0, 3, 2031, 728174, 247646098, 91880342535, 38818192375310, 18907485764545412, 10626953883068264472, 6866760686250915376779, 5073038373153476636807709, 4259014676256866422905669602, 4038463837000965678262091166880, 4299625631242136963071149921577615, 5111407212497576694797045579672852791]

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

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