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.

A259763 Number of symmetric n X n (0,1)-matrices with pairwise distinct rows and columns.

Table of values

n a(n)
0 1
1 2
2 6
3 44
4 716
5 24416
6 1680224
7 229468288
8 61820527104
9 32848197477760
10 34502874046006912
11 71850629135663531776
12 297429744309497638961920
13 2452504520881914016303901696
14 40340635076928240671195746599936
15 1324981038432182976845483456362661888
16 86953044949519288083916385603832568137728

List of values

[1, 2, 6, 44, 716, 24416, 1680224, 229468288, 61820527104, 32848197477760, 34502874046006912, 71850629135663531776, 297429744309497638961920, 2452504520881914016303901696, 40340635076928240671195746599936, 1324981038432182976845483456362661888, 86953044949519288083916385603832568137728]

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

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