A118387 Record values in A079300 (number of shortest addition chains of n).

1, 2, 5, 15, 33, 40, 132, 220, 352, 1258, 2661, 3903, 9787, 12989, 17961, 31373, 33076, 55262, 110624

Offset

1,2

Comments

Computed by Neill M. Clift. Verified up to a(17) by David W. Wilson.

References

See A118386 for references.

Links

Table of n, a(n) for n=1..19.

Formula

a(n) = A079300(A118386(n)).

Crossrefs

Cf. A003313, A079300, A118386.

Sequence in context: A006451 A226103 A000962 * A245961 A034522 A276720

Adjacent sequences: A118384 A118385 A118386 * A118388 A118389 A118390

Keyword

nonn,hard,more

Author

David W. Wilson, Apr 26 2006

Status

approved