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A117324 Prime(10^n) modulo semiprime(10^n). +0
1
2, 3, 227, 729, 22965, 380555, 156346, 10920166, 202913258, 2973399074, 39284376410, 489544827463, 5874954672992 (list; graph; listen)
OFFSET

0,1

COMMENT

a(12) by "zak seidov" (zakseidov(AT)yahoo.com)

FORMULA

a(n) = A000040(10^n) modulo A001358(10^n). a(n) = A117322(10^n). a(n) = A006988(n) modulo A114125(n).

EXAMPLE

prime(10^0) modulo semiprime(10^0) = 2 mod 4 = 2.

prime(10^1) modulo semiprime(10^1) = 29 mod 26 = 3.

prime(10^2) modulo semiprime(10^2) = 541 mod 314 = 227.

CROSSREFS

Sequence in context: A037274 A037275 A142960 this_sequence A087313 A004876 A068104

Adjacent sequences: A117321 A117322 A117323 this_sequence A117325 A117326 A117327

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post (jvospost3(AT)gmail.com), Mar 08 2006

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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