OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
L. Carlitz, Richard Scoville, and V. E. Hoggatt, Jr., Pellian Representations, The Fibonacci Quarterly, Vol. 10, No. 5 (1972), pp. 449-488.
MATHEMATICA
pell = LinearRecurrence[{2, 1}, {1, 2}, 7]; Complement[Range[pell[[-1]]], Select[Union[Plus @@@ Subsets[pell]], 0 < # <= pell[[-1]] &]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Amiram Eldar, Mar 12 2022
STATUS
approved