OFFSET
1,1
COMMENTS
Values that appear in A074288 multiple times.
LINKS
Nathaniel Johnston, Table of n, a(n) for n = 1..10000
EXAMPLE
The Kolakoski sequence begins 1,2,2,1,1,2,1,... and its sequence of partial sums begins 1,3,5,6,7,9,10,... Multiplying the sequences term-by-term gives 1,6,10,6,7,18,10,... Since 6 and 10 appear more than once, they are both in this sequence.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jon Perry, Sep 21 2002
EXTENSIONS
Extended and edited by Nathaniel Johnston, May 02 2011
STATUS
approved