# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a046967 Showing 1-1 of 1 %I A046967 #18 Oct 13 2024 07:08:28 %S A046967 2,8,32768,40564819207303340847894502572032 %N A046967 a(1) = 2, a(n) = a(n-1)^prime(n) for n > 1. %H A046967 Amiram Eldar, Table of n, a(n) for n = 1..5 %F A046967 a(n) = 2^A070826(n). - _Amiram Eldar_, Oct 12 2024 %e A046967 a(3) = 32768 because (2^3)^5 = 32768. %t A046967 RecurrenceTable[{a[1]==2,a[n]==a[n-1]^Prime[n]},a[n],{n,4}] (* _Harvey P. Dale_, Jul 18 2011 *) %t A046967 2^FoldList[Times, 1, Prime[Range[2, 4]]] (* _Amiram Eldar_, Oct 12 2024 *) %o A046967 (PARI) a(n)=if(n<2,1,a(n-1)^prime(n)) \\ _Charles R Greathouse IV_, Jun 20 2013 %Y A046967 Cf. A070826. %K A046967 nonn,nice %O A046967 1,1 %A A046967 _Felice Russo_ # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE