OFFSET
1,1
COMMENTS
Subsequence of A000032, its terms L(2), L(3), ..., L(13), L(14), L(18).
LINKS
Chéfiath A. Adegbindin and Alain Togbé, Can a Lucas number be a sum of three repdigits?, Commentationes Mathematicae Universitatis Carolinae, Vol. 61 (2020), No. 3, 383-396.
Jhon J. Bravo and Jose L. Herrera, Repdigits in generalized Pell sequences, Arch. Math. (Brno), Tomus 56 (2020), 249-262.
EXAMPLE
L(13) = 521: 521 = 333 + 111 + 77, so 521 is a term.
L(14) = 843: 843 = 666 + 111 + 66, so 843 is a term.
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Ctibor O. Zizka, Dec 24 2022
STATUS
approved