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A136350 Primorial numbers #p such that (#p)-1 is composite. 3
210, 510510, 9699690, 223092870, 6469693230, 200560490130, 7420738134810, 13082761331670030, 614889782588491410, 32589158477190044730, 1922760350154212639070, 117288381359406970983270 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

This sequence is different from A121069 and A002110.

FORMULA

{A002110(j): A002110(j)-1 in A002808}. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 23 2008

EXAMPLE

a(1)=210 because 209=A002110(4)-1 is not prime.

CROSSREFS

Cf. A136349, A136351, A136352, A002110, A121069.

Sequence in context: A089514 A014979 A134236 * A068297 A196887 A028677

Adjacent sequences:  A136347 A136348 A136349 * A136351 A136352 A136353

KEYWORD

easy,nonn

AUTHOR

Enoch Haga (Enokh(AT)comcast.net), Dec 25 2007

EXTENSIONS

Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 23 2008

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Last modified February 14 19:37 EST 2012. Contains 205663 sequences.