A225300 Terms in A025475 that are palindromes in base 2.

1, 9, 27, 20457529, 87463589042698969

Offset

1,2

Links

Table of n, a(n) for n=1..5.

Example

9 = 1001_2.
27 = 11011_2.
20457529 = 1001110000010100000111001_2.

Crossrefs

Intersection of A006995 and A025475.

Cf. A029983.

Sequence in context: A124396 A020281 A075539 * A053825 A328640 A351266

Adjacent sequences: A225297 A225298 A225299 * A225301 A225302 A225303

Keyword

nonn,base,more

Author

Alex Ratushnyak, May 04 2013

Extensions

Definition clarified by Chai Wah Wu, Mar 18 2018

Status

approved