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 A109429 #23 Jun 12 2015 08:38:55 %S A109429 2,4,3,16,5,7,9,256,11,13,17,19,23,25,29,65536,31,37,41,43,47,49,53, %T A109429 59,61,67,71,73,79,81,83,4294967296,89,97 %N A109429 Rearrange terms of A050376 so that a(2^j)=2^(2^j) for j>=0. %C A109429 A073904(2^n) is the product of the first n members of this sequence. Generalization: for any prime p, we may consider the analogous permutation of numbers of the form q^(p^k) such that a(p^j)=p^(p^j); then A073904(p^n)=(product of the first n members)^(p-1). - _David Wasserman_ and _Thomas Ordowski_. Corrected by _Thomas Ordowski_, Jun 06 2015 %F A109429 a(2^j)=2^(2^j). So a(1)=2 for j=0; a(2)=4 for j=1; a(4)=16 for j=2. %F A109429 A073904(2^n)=2*4*3*...*a(n) for every n. %e A109429 Numbers: 2, 3, 2^2, 5, 7, 3^2, 11, 13, 2^(2^2), 17, ..., 2^(2^3), ... %e A109429 Permutation: 2, 2^2, 3, 2^(2^2), 5, 7, 3^2, 2^(2^3), 11, 13, 17, ... %e A109429 If n=4 then A073904(16)=2*4*3*16=384. %Y A109429 Cf. A050376. %K A109429 nonn %O A109429 1,1 %A A109429 _Thomas Ordowski_, Aug 26 2005 %E A109429 Definition edited by _N. J. A. Sloane_, Oct 27 2014 %E A109429 More terms from _Thomas Ordowski_, Jun 05 2015