A082728 Numbers expressible as a sum of 2 nonzero Fibonacci numbers in exactly 1 way.

5, 7, 8, 11, 13, 15, 18, 21, 23, 24, 29, 34, 36, 37, 39, 47, 55, 57, 58, 60, 63, 76, 89, 91, 92, 94, 97, 102, 123, 144, 146, 147, 149, 152, 157, 165, 199, 233, 235, 236, 238, 241, 246, 254, 267, 322, 377, 379, 380, 382, 385, 390, 398, 411, 432, 521, 610, 612, 613

Offset

1,1

Comments

Numbers k such that card{(i,j) : k = F(i)+F(j), 1<=i<=j} = 1. [Corrected and clarified by Sean A. Irvine, Dec 20 2025]

Links

Table of n, a(n) for n=1..59.

Crossrefs

Cf. A000045.

Sequence in context: A013635 A380538 A191929 * A374042 A374044 A359629

Adjacent sequences: A082725 A082726 A082727 * A082729 A082730 A082731

Keyword

nonn

Author

Benoit Cloitre, Apr 13 2003

Extensions

More terms from Alois P. Heinz, Dec 20 2025

Status

approved