A060877 Intrinsic 7-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.

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

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: A095523 A335582 A282113 * A113688 A364028 A369662

Adjacent sequences: A060874 A060875 A060876 * A060878 A060879 A060880

Keyword

nonn,base

Author

Harvey P. Dale, May 05 2001

Status

approved