login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A061858 Differences between the ordinary multiplication table A004247 and the carryless multiplication table for GF(2)[X] polynomials A048720, i.e. the effect of the carry bits in binary multiplication. 5
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 8, 0, 0, 0, 0, 0, 0, 12, 0, 8, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 16, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 24, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,25

LINKS

Table of n, a(n) for n=0..101.

FORMULA

a(n) = A004247[n]-A048720[n]

CROSSREFS

"Zoomed in" variant: A061859, the diagonals 3, 5 and 7 are given by A048728-A048730.

Sequence in context: A141150 A089418 A124856 * A005873 A217511 A178990

Adjacent sequences:  A061855 A061856 A061857 * A061859 A061860 A061861

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen May 11 2001

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

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

Last modified May 19 04:33 EDT 2013. Contains 225428 sequences.