A124393 Numbers whose shortest addition chains unavoidably contain 3.

3, 14759, 15449, 26089

Offset

1,1

References

For a comprehensive list of references see A003313.

Links

Table of n, a(n) for n=1..4.

Crossrefs

Sequence in context: A055379 A047777 A195834 * A116182 A155180 A364963

Adjacent sequences: A124390 A124391 A124392 * A124394 A124395 A124396

Keyword

nonn,more,hard

Author

Max Alekseyev, Dec 16 2006

Status

approved