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A071261 Smallest k such that |p(k)-c(k)| is an n-digit number where p(k) is the k-th prime and c(k) is the k-th composite number. 0
1, 10, 37, 206, 1401, 10626, 85316, 712597, 6117420, 53593619, 476889480, 4295913223, 39084524707, 358521889961, 3311439169717 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A038529.

Sequence in context: A199208 A110528 A137280 * A129426 A065009 A031430

Adjacent sequences:  A071258 A071259 A071260 * A071262 A071263 A071264

KEYWORD

hard,more,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 30 2002

EXTENSIONS

Corrected and extended by Gabriel Cunningham (gcasey(AT)mit.edu), Apr 08 2003

More terms from Sean A. Irvine (sairvin(AT)xtra.co.nz), Nov 30 2009

a(12)-a(15) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 30 2010

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.