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A101310 Sum((prime(k)*10^(k),k=1..n))). +0
1
0, 20, 320, 5320, 75320, 1175320, 14175320, 184175320, 2084175320, 25084175320, 315084175320, 3415084175320, 40415084175320, 450415084175320, 4750415084175320, 51750415084175320, 581750415084175320 (list; graph; listen)
OFFSET

0,2

MAPLE

seq( ( sum((ithprime(x)*10^(x), x=1..a))), a=1..20);

CROSSREFS

Sequence in context: A054621 A111778 A024387 this_sequence A078230 A084032 A005748

Adjacent sequences: A101307 A101308 A101309 this_sequence A101311 A101312 A101313

KEYWORD

nonn

AUTHOR

Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Dec 22 2004

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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