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 A247424 #6 Jan 05 2025 19:51:40 %S A247424 1,3,5,7,11,13,15,17,19,21,23,27,29,31,33,37,39,41,43,45,47,49,53,55, %T A247424 57,59,63,65,69,71,73,75,79,81,83,85,87,89,91,95,97,99,101,105,107, %U A247424 109,111,113,115,117,121,123,125,127,129,131,133,137,139,141,143 %N A247424 Odd numbers not of the form 2*A005206(A003249(m)) - 1. %C A247424 This is the function named y' in [Carlitz] (cf. proof of Thm. 7.31), which defines it as the complement of A247423. %H A247424 L. Carlitz, R. Scoville and T. Vaughan, <a href="https://web.archive.org/web/2024*/https://www.fq.math.ca/Scanned/11-4/carlitz.pdf">Some arithmetic functions related to Fibonacci numbers</a>, Fib. Quart., 11 (1973), 337-386. %K A247424 nonn %O A247424 1,2 %A A247424 _Eric M. Schmidt_, Sep 16 2014