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A225300
Terms in A025475 that are palindromes in base 2.
0
1, 9, 27, 20457529, 87463589042698969
OFFSET
1,2
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
KEYWORD
nonn,base,more
AUTHOR
Alex Ratushnyak, May 04 2013
EXTENSIONS
Definition clarified by Chai Wah Wu, Mar 18 2018
STATUS
approved