# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a361196 Showing 1-1 of 1 %I A361196 #6 Mar 04 2023 08:58:16 %S A361196 1,1,4,16,1024,65536,16777216,4294967296,70368744177664, %T A361196 1152921504606846976,75557863725914323419136, %U A361196 4951760157141521099596496896,5192296858534827628530496329220096,5444517870735015415413993718908291383296,22835963083295358096932575511191922182123945984 %N A361196 Denominator of the discriminant of the n-th Legendre polynomial. %H A361196 Eric Weisstein's World of Mathematics, Legendre Polynomial. %H A361196 Eric Weisstein's World of Mathematics, Polynomial Discriminant. %t A361196 a[n_] := Denominator[Discriminant[LegendreP[n, x], x]]; Array[a, 15] (* _Amiram Eldar_, Mar 04 2023 *) %o A361196 (PARI) a(n) = denominator(poldisc(pollegendre(n))); %Y A361196 Cf. A361195 (numerators). %K A361196 nonn,frac %O A361196 1,3 %A A361196 _Michel Marcus_, Mar 04 2023 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE