Thursday, June 30, 2011

Gheorghe Vrânceanu (1900-1979)


Gheorghe Vrânceanu (June 30, 1900, Valea Hogei, Lipova, Bacău County – April 27, 1979, Bucharest)

Gheorghe Vrânceanu at MGP

Mac Tutor Biography

GPF sequences - a forum discussion

A discussion of the paper "The Greatest Prime Factor and Related Sequences" (JP Journal of Algebra, Number Theory and Applications 6(2), 403-409 (2006), by Mihai Caragiu and Lisa Scheckelhoff), with neat pictures, can be found here (Mathematical Oddities Thread - The Something Awful Forums)

Wednesday, June 22, 2011

Monday, June 20, 2011

An Euler-Fibonacci Sequence

An Euler-Fibonacci Sequence
by Mihai Caragiu and Ashley Risch
Far East Journal of Mathematical Sciences, Volume 52, Issue 1, Pages 1 - 7 (May 2011)
abstract - here

Sunday, June 19, 2011