A060879 Intrinsic 9-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.

257, 273, 297, 313, 325, 341, 365, 381, 387, 403, 427, 443, 455, 471, 495, 511, 6562, 6643, 6724, 6832, 6913, 6994, 7102, 7183, 7264, 7300, 7381, 7462, 7570, 7651, 7732, 7840, 7921, 8002, 8038, 8119, 8200, 8308, 8389, 8470, 8578, 8659

Offset

1,1

Comments

All numbers are intrinsic 1- and (for n>2) 2-palindromes, almost all numbers are intrinsic 3-palindromes and very few numbers are intrinsic k-palindromes for k >= 4. - Franklin T. Adams-Watters, Jul 29 2011

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, A060877, A060878, A060947, A060948, A060949.

Sequence in context: A139653 A273551 A288411 * A062382 A289560 A256776

Adjacent sequences: A060876 A060877 A060878 * A060880 A060881 A060882

Keyword

nonn,base

Author

Harvey P. Dale, May 05 2001

Status

approved