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A046302
Products of 4 successive primes.
19
210, 1155, 5005, 17017, 46189, 96577, 215441, 392863, 765049, 1363783, 2022161, 3065857, 4391633, 6319667, 8965109, 12780049, 17120443, 21182921, 27433619, 33984931, 42600829, 56606581, 72370439, 89809099, 107972737, 121330189
OFFSET
1,1
LINKS
C. Cobeli and A. Zaharescu, A game with divisors and absolute differences of exponents, Journal of Difference Equations and Applications, Vol. 20, #11 (2014) pp. 1489-1501, DOI: 10.1080/10236198.2014.940337. Also available as arXiv:1411.1334 [math.NT], 2014.
FORMULA
a(n) = Product_{j=n..n+3} prime(j). - Jon E. Schoenfield, Jan 07 2015
MATHEMATICA
lst={}; Do[p0=Prime[n]; p1=Prime[n+1]; p2=Prime[n+2]; p3=Prime[n+3]; a=p0*p1*p2*p3; AppendTo[lst, a], {n, 5!}]; lst (* Vladimir Joseph Stephan Orlovsky, Mar 10 2009 *)
Times@@@Partition[Prime[Range[50]], 4, 1] (* Harvey P. Dale, Sep 19 2011 *)
PROG
(Magma) [&*[ NthPrime(n+k): k in [0..3] ]: n in [1..26] ]; // Bruno Berselli, Feb 25 2011
KEYWORD
nonn,easy
AUTHOR
Patrick De Geest, Jun 15 1998
EXTENSIONS
Offset changed from 0 to 1 by Vincenzo Librandi, Jan 16 2012
STATUS
approved