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.
%I A066125 #14 Dec 05 2024 21:48:48 %S A066125 19,25,71,83,101,111,113,123,271,283,295,307,319,331,333,335,355,357, %T A066125 359,379,395,397,409,415,419,421,431,433,439,445,457,461,463,475,481, %U A066125 485,487,491,499,505,571,627,825,881,911,967,1055,1079,1083,1103,1127 %N A066125 Numbers that in base 2 need four 'Reverse and Add' steps to reach a palindrome. %C A066125 The analog of A065209 in base 2. The number of steps starts at 0, so palindromes (cf. A006995) are excluded. %C A066125 Numbers k such that A066057(k) = 4. - _Andrew Howroyd_, Dec 05 2024 %H A066125 Andrew Howroyd, <a href="/A066125/b066125.txt">Table of n, a(n) for n = 1..10000</a> %H A066125 <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a> %o A066125 (PARI) select(k->isok(k,4), [1..1200]) \\ isok defined in A066122. - _Andrew Howroyd_, Dec 05 2024 %Y A066125 Cf. A006995, A065209, A066057, A066122. %K A066125 base,nonn %O A066125 1,1 %A A066125 _Klaus Brockhaus_, Dec 08 2001 %E A066125 Offset changed from 0 to 1 by _Harry J. Smith_, Feb 01 2010