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).

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)

Links

Table of n, a(n) for n=1..6.

Max A. Alekseyev, On the intersections of Fibonacci, Pell, and Lucas numbers, INTEGERS 11(3) (2011), pp. 239-259. doi:10.1515/INTEG.2011.021

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

Cf. A218995

Sequence in context: A172855 A006108 A061456 * A006430 A301613 A180766

Adjacent sequences: A218991 A218992 A218993 * A218995 A218996 A218997

Keyword

nonn,more

Author

Max Alekseyev, Nov 08 2012

Status

approved