A060876 Intrinsic 6-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.

33, 45, 51, 63, 244, 280, 316, 328, 364, 400, 412, 448, 484, 488, 524, 560, 572, 608, 644, 656, 692, 728, 1025, 1105, 1185, 1265, 1285, 1365, 1445, 1525, 1545, 1625, 1705, 1785, 1805, 1885, 1965, 2045, 2050, 2130, 2210, 2290, 2310, 2390

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, A060877, A060878, A060879, A060947, A060948, A060949.

Sequence in context: A121993 A225565 A050875 * A070121 A070122 A247527

Adjacent sequences: A060873 A060874 A060875 * A060877 A060878 A060879

Keyword

nonn,base

Author

Harvey P. Dale, May 05 2001

Status

approved