cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A060875 Intrinsic 5-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.

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%I A060875 #19 Jan 05 2025 19:51:36
%S A060875 17,21,27,31,82,91,100,112,121,130,142,151,160,164,173,182,194,203,
%T A060875 212,224,233,242,257,273,289,305,325,341,357,373,393,409,425,441,461,
%U A060875 477,493,509,514,530,546,562,582,598,614,626,630,650,651,666
%N A060875 Intrinsic 5-palindromes: n is an intrinsic k-palindrome if it is a k-digit palindrome in some base.
%C A060875 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.
%H A060875 Peter Kagey, <a href="/A060875/b060875.txt">Table of n, a(n) for n = 1..10000</a>
%H A060875 A. J. Di Scala and M. Sombra, <a href="http://arXiv.org/abs/math.GM/0105022">Intrinsic Palindromic Numbers</a>, arXiv:math/0105022 [math.GM], 2001.
%H A060875 A. J. Di Scala and M. Sombra, <a href="https://web.archive.org/web/2024*/https://www.fq.math.ca/Papers1/42-1/quartscala01_2004.pdf">Intrinsic Palindromes</a>, Fib. Quart. 42, no. 1, Feb. 2004, pp. 76-81.
%Y A060875 Cf. A060873, A060874, A060876, A060877, A060878, A060879, A060947, A060948, A060949.
%K A060875 nonn,base
%O A060875 1,1
%A A060875 _Harvey P. Dale_, May 05 2001