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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, 30765562102926, 287282165065268, 2694418859703791, 25368958219747617
OFFSET
1,2
CROSSREFS
Cf. A038529.
Sequence in context: A110528 A208674 A137280 * A373619 A129426 A215881
KEYWORD
hard,more,nonn,base
AUTHOR
Amarnath Murthy, May 30 2002
EXTENSIONS
Corrected and extended by Gabriel Cunningham (gcasey(AT)mit.edu), Apr 08 2003
More terms from Sean A. Irvine, Nov 30 2009
a(12)-a(15) from Donovan Johnson, Dec 30 2010
a(16)-a(19) from Chai Wah Wu, Apr 17 2018
STATUS
approved