# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a014680 Showing 1-1 of 1 %I A014680 #16 Mar 31 2019 11:53:19 %S A014680 1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, %T A014680 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1, %U A014680 -1,-1,-1,-1,-1,-1,0,0,0,0,0,0,0,0,0 %N A014680 Inverse of 671st cyclotomic polynomial. %C A014680 Periodic with period length 671. - _Ray Chandler_, Apr 06 2017 %H A014680 Ray Chandler, Table of n, a(n) for n = 0..1000 %H A014680 Index entries for linear recurrences with constant coefficients, order 600. %H A014680 Index to sequences related to inverse of cyclotomic polynomials %p A014680 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80); %t A014680 CoefficientList[Series[1/Cyclotomic[671,x],{x,0,671}],x] (* _Harvey P. Dale_, Mar 31 2019 *) %K A014680 sign %O A014680 0,1 %A A014680 _Simon Plouffe_ # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE