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A038696 Nextprime(2^0)*nextprime(2^1)*nextprime(2^2)*...*nextprime(2^n). 1

%I #11 Aug 26 2015 01:36:34

%S 2,6,30,330,5610,207570,13907190,1821841890,468213365730,

%T 243939163545330,251501277615235230,516332122944077927190,

%U 2116445371947775423551810,17373900058319288451936808290,285123073857077842784734960847190

%N Nextprime(2^0)*nextprime(2^1)*nextprime(2^2)*...*nextprime(2^n).

%H Harvey P. Dale, <a href="/A038696/b038696.txt">Table of n, a(n) for n = 0..80</a>

%t Table[Product[Prime[PrimePi[2^i] + 1], {i, 0, n}], {n, 0, 19}] (* _Stefan Steinerberger_, May 10 2006 *)

%t Rest[FoldList[Times,1,NextPrime[2^Range[0,20]]]] (* _Harvey P. Dale_, Mar 13 2014 *)

%K nonn

%O 0,1

%A _Jeff Burch_

%E One more term from _Stefan Steinerberger_, May 10 2006

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)