OFFSET

0,2

COMMENTS

Here * stands for ordinary multiplication and A048720 is the carryless (GF(2)[X]) multiplication.

a(n) appears to be the set of all n that can be expressed as x OR 4x for the bitwise OR operation. [From Gary Detlefs Dec 20 2010]

LINKS

CROSSREFS

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 30 2006

STATUS

approved