login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A218994
Integers m that belong to at least two distinct Lucas sequences U(P,Q) with P>0 different from m, |Q|=1, and (P,Q) different from (3,1).
1
0, 1, 5, 360, 528, 1189
OFFSET
1,3
COMMENTS
No other terms below 10^9.
(P,Q)=(3,1) is excluded since U(3,1) represents a bisection of U(1,-1)
EXAMPLE
5 belongs to U(1,-1) and U(2,-1)
360 belongs to U(3,-1) and U(19,1)
528 belongs to U(8,-1) and U(23,1)
1189 belongs to U(3,-1) and U(6,1)
CROSSREFS
Sequence in context: A376867 A006108 A061456 * A006430 A301613 A180766
KEYWORD
nonn,more
AUTHOR
Max Alekseyev, Nov 08 2012
STATUS
approved