OFFSET
1,1
LINKS
R. Zumkeller, Table of n, a(n) for n = 1..10000
R. Zumkeller, Some Examples
EXAMPLE
7;23,11,2;;109,89,61;191,167,47;307,199,19;503,487,... .
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Reinhard Zumkeller, Oct 31 2009
STATUS
approved