%I A081359
%S A081359 6,7,10,16,25
%N A081359 Problem 49 on page 235 of "Mathematics", California Edition, by Carole 
               Greenes et al.
%C A081359 Several different books match the description, e.g. ISBN 978-0618081776 
               and ISBN 978-0618081790. The precise definition remains a mystery.
%D A081359 Carole Greenes, Miriam A. Leiva, Bruce R. Vogeli (et al.?), "Mathematics, 
               California Edition", various editions published by Houghton Mifflin 
               Company.
%Y A081359 Sequence in context: A101972 A102727 A114949 this_sequence A015825 A164018 
               A156793
%Y A081359 Adjacent sequences: A081356 A081357 A081358 this_sequence A081360 A081361 
               A081362
%K A081359 nonn,unkn
%O A081359 0,1
%A A081359 Joe T. Hoang (HoangJoe(AT)yahoo.com), Mar 18 2003
%E A081359 Edited by M. F. Hasler (univ-ag.fr/~mhasler), Mar 27 2008