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A060877 Intrinsic 7-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base. 6
65, 73, 85, 93, 99, 107, 119, 127, 730, 757, 784, 820, 847, 874, 910, 937, 964, 976, 1003, 1030, 1066, 1093, 1120, 1156, 1183, 1210, 1222, 1249, 1276, 1312, 1339, 1366, 1402, 1429, 1456, 1460, 1487, 1514, 1550, 1577, 1604, 1640, 1667, 1694 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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

Peter Kagey, Table of n, a(n) for n = 1..10000

A. J. Di Scala and M. Sombra, Intrinsic Palindromic Numbers, arXiv:math/0105022 [math.GM], 2001.

A. J. Di Scala and M. Sombra, Intrinsic Palindromes, Fib. Quart. 42, no. 1, Feb. 2004, pp. 76-81.

CROSSREFS

Cf. A060873, A060874, A060875, A060876, A060878, A060879, A060947, A060947, A060949.

Sequence in context: A095535 A095523 A282113 * A113688 A214484 A159758

Adjacent sequences:  A060874 A060875 A060876 * A060878 A060879 A060880

KEYWORD

nonn,base

AUTHOR

Harvey P. Dale, May 05 2001

STATUS

approved

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Last modified February 20 18:41 EST 2018. Contains 299381 sequences. (Running on oeis4.)