Search: id:A030078 Results 1-1 of 1 results found. %I A030078 %S A030078 8,27,125,343,1331,2197,4913,6859,12167,24389,29791,50653,68921, %T A030078 79507,103823,148877,205379,226981,300763,357911,389017,493039, %U A030078 571787,704969,912673,1030301,1092727,1225043,1295029,1442897 %N A030078 Cubes of primes. %C A030078 Numbers with exactly three factorizations: A001055(a(n)) = 3 (e.g. a(4) = 1*343 = 7*49 = 7*7*7). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 29, 2001 %H A030078 Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics. %F A030078 n such that A062799(n)=3 - Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2002 %F A030078 a(n) = A000040(n)^3. [From Omar E. Pol (info(AT)polprimos.com), Jul 27 2009] %t A030078 Array[Prime[ # ]^3&, 5! ] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 01 2008] %o A030078 (SAGE) BB = primes_first_n(36) list = [] for i in range(36): list.append(BB[i]^3) list - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 15 2007 %Y A030078 Cf. A001248, A060800, A131991. %Y A030078 Cf. A000040, A001248. [From Omar E. Pol (info(AT)polprimos.com), Jul 27 2009] %Y A030078 Sequence in context: A153147 A062838 A046452 this_sequence A051751 A133042 A056570 %Y A030078 Adjacent sequences: A030075 A030076 A030077 this_sequence A030079 A030080 A030081 %K A030078 nonn %O A030078 1,1 %A A030078 Patrick De Geest (pdg(AT)worldofnumbers.com) Search completed in 0.002 seconds