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A123157 Sum of digits of the squares of prime numbers. +0
7
4, 9, 7, 13, 4, 16, 19, 10, 16, 13, 16, 19, 16, 22, 13, 19, 16, 13, 25, 10, 19, 13, 31, 19, 22, 4, 16, 19, 19, 25, 19, 16, 31, 16, 7, 13, 25, 28, 34, 31, 10, 19, 22, 25, 28, 19, 16, 31, 22, 16, 28, 16, 22, 10, 25, 31, 19, 19, 31, 31, 25, 34, 28, 25, 40, 22, 22, 25, 16, 13, 22, 28 (list; graph; listen)
OFFSET

1,1

LINKS

Albert Frank, International Contest Of Logical Sequences, 2002 - 2003. Item 11

Albert Frank, Solutions of International Contest Of Logical Sequences, 2002 - 2003.

PROGRAM

(PARI) for(n=1, 100, dp2=eval(Vec(Str(prime(n)^2))); print1(sum(i=1, length(dp2), dp2[i]), ", "))

CROSSREFS

Sequence in context: A004159 A092554 A155787 this_sequence A154684 A096982 A159643

Adjacent sequences: A123154 A123155 A123156 this_sequence A123158 A123159 A123160

KEYWORD

nonn,base

AUTHOR

Herman Jamke (hermanjamke(AT)fastmail.fm), Oct 01 2006

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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