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A007605 Sum of digits of n-th prime.
(Formerly M0633)
+0
22
2, 3, 5, 7, 2, 4, 8, 10, 5, 11, 4, 10, 5, 7, 11, 8, 14, 7, 13, 8, 10, 16, 11, 17, 16, 2, 4, 8, 10, 5, 10, 5, 11, 13, 14, 7, 13, 10, 14, 11, 17, 10, 11, 13, 17, 19, 4, 7, 11, 13, 8, 14, 7, 8, 14, 11, 17, 10, 16, 11, 13, 14, 10, 5, 7, 11, 7, 13, 14, 16, 11, 17, 16, 13, 19, 14, 20, 19, 5 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Table[Apply[Plus, RealDigits[Prime[n]][[1]]], {n, 1, 100}]

Plus@@ IntegerDigits[Prime[Range[100]]] (Zak Seidov)

CROSSREFS

Cf. A038194.

Sequence in context: A074463 A038194 A111309 this_sequence A077765 A078400 A068951

Adjacent sequences: A007602 A007603 A007604 this_sequence A007606 A007607 A007608

KEYWORD

nonn,base

AUTHOR

njas, Mira Bernstein, Robert G. Wilson v (rgwv(AT)rgwv.com)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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