Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A046857
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A046857 (2^n)!/(n!^2). +0
4
2, 6, 1120, 36324288000, 18272974787062050706056806400000, 244766458691906180755079840538505942906762183978675139272380197483053056000000000000 (list; graph; listen)
OFFSET

1,1
REFERENCES

C. S. Lorens, Invertible Boolean functions, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541.

CROSSREFS

Adjacent sequences: A046854 A046855 A046856 this_sequence A046858 A046859 A046860

Sequence in context: A047690 A113569 A007338 this_sequence A129454 A071093 A114045

KEYWORD

nonn,easy

AUTHOR

njas

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

AT&T Labs Research

Legal Notice
© 2007 AT&T Knowledge Ventures. All Rights Reserved.