Search: id:A057588
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%I A057588
%S A057588 1,5,29,209,2309,30029,510509,9699689,223092869,6469693229,
%T A057588 200560490129,7420738134809,304250263527209,13082761331670029,
%U A057588 614889782588491409,32589158477190044729,1922760350154212639069
%N A057588 Kummer numbers: -1 + product of first n consecutive primes.
%H A057588 T. D. Noe, <a href="b057588.txt">Table of n, a(n) for n=1..100</a>
%H A057588 Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/
               matha1/matha103.htm">Factorizations of many number sequences</a>
%H A057588 R. G. Wilson v, <a href="a38507.txt">Explicit factorizations</a>
%t A057588 Table[Product[Prime[k], {k, 1, n}] - 1, {n, 1, 18}] - Artur Jasinski 
               (grafix(AT)csl.pl), Jan 01 2007
%Y A057588 Cf. A002110, A006862.
%Y A057588 Sequence in context: A004213 A105277 A103213 this_sequence A030522 A091124 
               A121143
%Y A057588 Adjacent sequences: A057585 A057586 A057587 this_sequence A057589 A057590 
               A057591
%K A057588 nonn,easy,nice
%O A057588 1,2
%A A057588 Mario Velucchi (mathchess(AT)velucchi.it), Oct 05 2000
%E A057588 More terms from Larry Reeves (larryr(AT)acm.org), Oct 05 2000

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