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Search: id:A090927
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A090927 Smallest prime beginning with prime(n) and having as many digits. +0
2
23, 307, 50021, 7000003, 11000000021, 1300000000021, 17000000000000009, 1900000000000000009, 23000000000000000000003, 29000000000000000000000000023, 3100000000000000000000000000291 (list; graph; listen)
OFFSET

1,1

FORMULA

Let p(n)=prime(n). If f:R->R is a continuous, everywhere-increasing function, such that f(x)=p(x) for every natural x and F = f^(-1) and if a(n) exists, then a(n) = p(ceiling(F(p(n)*(10^(p(n)-floor(log_10 p(n))-1))))) - Sam Alexander (amnalexander(AT)yahoo.com), Dec 31 2003

CROSSREFS

Sequence in context: A077504 A086558 A077203 this_sequence A045530 A080188 A142433

Adjacent sequences: A090924 A090925 A090926 this_sequence A090928 A090929 A090930

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 28 2003

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 29 2003

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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