OFFSET
1,2
COMMENTS
Is n^2*(n^2+1)/2 in the sequence for infinitely many odd numbers n? For almost all odd n? It's in the sequence for n up to 99, except for 39, 65 and 67.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Aug 16 2002
EXTENSIONS
Edited by Dean Hickerson, Oct 15 2002
STATUS
approved