A162844 Let b(n) be the n-th positive integer that is a palindrome in base 2. Then a(n) = A162843(n)/b(n).

3, 3, 3, 3, 3, 3, 3, 3, 7, 3, 3, 11, 3, 3, 3, 3, 3, 11, 3, 129, 53, 3, 3, 5, 3, 13, 3, 7, 3, 3, 3, 3, 3, 65, 3, 3, 57, 13, 3, 5, 163, 57, 3, 335, 39, 3, 3, 5, 3, 129, 3, 13, 257, 13, 3, 3, 17, 19, 3, 71, 3, 3, 3, 3, 3, 9, 3, 3, 33, 257, 3, 3, 3, 129, 513, 13, 241, 13, 3, 5, 129, 3, 33, 415, 7, 241, 3, 2049, 2049, 53, 3, 13, 205, 3, 3, 5, 3, 257, 3, 17

Offset

1,1

Comments

All terms are odd.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Formula

a(n) = A162843(n)/A006995(n+1).

Crossrefs

A162843

Sequence in context: A339055 A331134 A303168 * A115787 A300959 A259581

Adjacent sequences: A162841 A162842 A162843 * A162845 A162846 A162847

Keyword

base,nonn

Author

Leroy Quet, Jul 14 2009

Extensions

More terms from Sean A. Irvine, Nov 23 2010

Status

approved