%I A006830 M3349
%S A006830 1,1,1,1,4,9,2,0,1,45,4,3,2,7,0,1,36792,11320425,2,24,267972,352849,10,
               0,17,
%T A006830 135531,12,189709,21012,371631,1008,32,8,34255,0,71847,147714465189436,
               840,78
%V A006830 -1,1,1,-1,-4,9,-2,0,-1,-45,4,3,2,-7,0,-1,-36792,-11320425,-2,-24,-267972,
               352849,-10,0,17,
%W A006830 135531,-12,189709,-21012,-371631,-1008,32,8,34255,0,-71847,147714465189436,
               840,78
%N A006830 From fundamental unit of Z[ (-n)^1/4 ].
%D A006830 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006830 J. Buchmann, The computation of the fundamental unit of totally complex 
               quartic orders, Math. Comp. 48 (1987), 39-54.
%Y A006830 Cf. A006828-A006831.
%Y A006830 Sequence in context: A032523 A032760 A129970 this_sequence A098174 A126709 
               A125575
%Y A006830 Adjacent sequences: A006827 A006828 A006829 this_sequence A006831 A006832 
               A006833
%K A006830 sign
%O A006830 1,5
%A A006830 N. J. A. Sloane (njas(AT)research.att.com).