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 A047984 #16 Jun 06 2020 04:11:30 %S A047984 3,5,6,7,9,10,11,13,14,15,17,18,20,21,22,23,25,26,27,28,30,31,33,34, %T A047984 35,37,39,41,42,44,45,46,47,49,50,51,52,54,55,57,59,61,62,63,65,66,68, %U A047984 69,70,71,73,74,75,77,78,79,81,82,83,85,88,90,91,92,93,94,95,97 %N A047984 Integers n such that A047988(n)=1. %H A047984 David A. Corneth, <a href="/A047984/b047984.txt">Table of n, a(n) for n = 1..10000</a> %H A047984 Thomas Kantke, <a href="https://www.spektrum.de/magazin/das-spiel-minimum-und-die-zerlegung-natuerlicher-zahlen/820793">Das Spiel Minimum und die Zerlegung natürlicher Zahlen</a>, Mathematische Unterhaltungen, Spectrum der Wissenschaft, April 1993, pp. 11-13. %e A047984 7 has value 1 since we add 1 to get 8, then divide by 2 twice. %Y A047984 Cf. A047836, A047985, A047986, A047987, A047988. %K A047984 nonn %O A047984 1,1 %A A047984 Thomas Kantke (bytes.more(AT)ibm.net) %E A047984 More terms from _David W. Wilson_