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Conference rusure::math

Title:Mathematics at DEC
Moderator:RUSURE::EDP
Created:Mon Feb 03 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2083
Total number of notes:14613

1798.0. "Crux Mathematicorum 1869" by RUSURE::EDP (Always mount a scratch monkey.) Mon Sep 20 1993 18:14

    Proposed by Francisco Bellot Rosado, I.B. Emilio Ferrari, Valladolid,
    Spain.
    
    For every positive integer n, let a[n] be the biggest odd factor of n. 
    Calculate the sum of the series
    
    	a[1]   a[2]   a[3]
    	---- + ---- + ---- + ... .
    	1^3    2^3    3^3
T.RTitleUserPersonal
Name
DateLines
1798.1Pi^2 / 7CADSYS::COOPERTopher CooperMon Sep 20 1993 19:550
1798.2additional to .1AUSSIE::GARSONnouveau pauvreTue Sep 21 1993 22:1743
1798.3generalisationAUSSIE::GARSONnouveau pauvreThu Sep 23 1993 03:486