OFFSET
1,1
COMMENTS
The sequence of successive differences is (1),(2,2),(12,12,12),(60,60,60,60),... Conjecture: Sequence is infinite. The successive differences == 0 (mod 30) for n > 6.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 13 2003
EXTENSIONS
More terms from Sascha Kurz, Sep 22 2003
STATUS
approved