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A060875 Intrinsic 5-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base. +0
1
17, 21, 27, 31, 82, 91, 100, 112, 121, 130, 142, 151, 160, 164, 173, 182, 194, 203, 212, 224, 233, 242, 257, 273, 289, 305, 325, 341, 357, 373, 393, 409, 425, 441, 461, 477, 493, 509, 514, 530, 546, 562, 582, 598, 614, 626, 630, 650, 651, 666 (list; graph; listen)
OFFSET

1,1

COMMENT

All numbers are intrinsic 1- and 2-palindromes, almost all numbers are intrinsic 3-palindromes and very few numbers are intrinsic k-palindromes for k >= 4.

LINKS

A. J. Di Scala and M. Sombra, Intrinsic Palindromic Numbers

CROSSREFS

Cf. A060873-A060879, A060947-A060949.

Sequence in context: A039505 A166875 A128546 this_sequence A138600 A050845 A125613

Adjacent sequences: A060872 A060873 A060874 this_sequence A060876 A060877 A060878

KEYWORD

nonn

AUTHOR

Harvey P. Dale (hpd1(AT)nyu.edu), May 05 2001

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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