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 A007467 Product of next n primes. (Formerly M2085) 2
 2, 15, 1001, 215441, 95041567, 66238993967, 63009974049301, 87796770491685553, 173955570033393401009, 421385360593324054690769, 1172248885422611971256631487, 5253333091597988325086927419397, 21476254926032216698855019795863013 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS Harvey P. Dale, Table of n, a(n) for n = 1..185 R. K. Hoeflin, Titan Test MATHEMATICA terms=20; With[{prs=Prime[Range[(terms(terms+1))/2]]}, Table[ Times@@ Take[prs, {(n(n-1))/2+1, (n(n+1))/2}], {n, terms}]] (* Harvey P. Dale, Aug 06 2013 *) With[{nn=40}, Times@@@TakeList[Prime[Range[(nn(nn+1))/2]], Range[nn]]] (* Requires Mathematica version 11 or later *) (* Harvey P. Dale, Jan 15 2020 *) PROG (PARI) a(n)=my(s=1); forprime(p=prime(n*(n-1)/2+1), prime(n*(n+1)/2), s*=p); s \\ Charles R Greathouse IV, Aug 06 2013 CROSSREFS Sequence in context: A179432 A007542 A090604 * A132317 A068409 A096232 Adjacent sequences:  A007464 A007465 A007466 * A007468 A007469 A007470 KEYWORD easy,nonn AUTHOR EXTENSIONS Corrected and extended by Harvey P. Dale, Aug 06 2013 STATUS approved

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Last modified September 24 14:00 EDT 2020. Contains 337321 sequences. (Running on oeis4.)