%I A013818
%S A013818 23,6436343,1801152661463,504036361936467383,141050039560662968926103,
%T A013818 39471584120695485887249589623,11045767571919545466173812409689943,
%U A013818 3091058643093537522799545838540043339063,865004941741938633917747707002884268046728983
%N A013818 23^(4n+1).
%H A013818 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               RecursiveSequences.html">Recursive Sequences</a>
%Y A013818 Sequence in context: A034247 A050234 A124993 this_sequence A087527 A013906 
               A030464
%Y A013818 Adjacent sequences: A013815 A013816 A013817 this_sequence A013819 A013820 
               A013821
%K A013818 nonn
%O A013818 0,1
%A A013818 N. J. A. Sloane (njas(AT)research.att.com).